ANCIENT CELTIC NAMES
FEMALE NAMES

ADSALUTA:  myth name
AIFE:  warrior woman of myth
AIFRIC:  Celtic form of Gaelic Africa, meaning "pleasant; agreeable." 
AIGNEIS:  "pure"
AILIDH:  "kind"
AINE:  "Happiness."
AINGEAL:  "angel"
ALASTRIONA:  "defends mankind." Also Alastrina and Alastrine.
ANDRASTE:  "victory"
ANNWN:  myth name for the Otherworld. Also Annwfn .
ARDRA:  "noble"
ARIENH:  "oath"
ARTHURETTA: feminine form of Celtic Arthur, meaning "bear" or "rock." Also Arthurina, Arthurine, Artice, Artina, Artis, and Artrice.
AVALON: Celtic/Arthurian legendary name of the "Island of apples," where King Arthur went after his defeat, and where he is supposed to one day return. Also Avaron, Avarona, and Avilon.
BETHA:  "life." Also Beatha .
BOUDICCA: Celtic name meaning "victory." Name of a queen of the Iceni who led an army against Roman invaders. Also Boadicea (Lat.), Bodiccea, Bodicea, Bodicia, Boudicca, and Boudicea.
BRANGAINE:  character from Isolde  legendary
BRETTA:  "from Britain."  Also Bret, Brit, Brita, Brite, and Brittany.
BRICE: Unisexual name. Either an Old English name meaning "noble," a Celtic name meaning "swift," or a French name meaning either "speckled" or "from Brieuxtown." Also a Greek myth name of one of the Danaids. Also Bryce .
BRICTA:  meaning unknown.
BRIT: Celtic name meaning "spotted; speckled; freckled." Also a short form of Latin Brittany, meaning "from England."
CAOILFHIONN:  "slender and comely." Also Keelin .
CINNIA:  "beauty." Also Cinnie .
CORDELIA:  "of the sea"
COVENTINA:  name of a water goddess
DAGHDA:  meaning unknown
DECHTIRE:  myth name of a nursemaid
DEOCH:  myth name of a princess of Munster
DONELLA:  "dark-haired elfin girl"
DONIA:  "dark-skinned"
DOREEN:  "moody." Also Doreena .
EDANA:  "passionate." Also Ena .
EDNA:  "fire." Also Ena and Ethne.
ENID:  "spirit"
EPONA:  meaning unknown
ERINA:  "from Ireland." Also Erea, Erie, and Erin.
ETAIN:  "fairy"
EVELYN:  "light."  Also are Engl, Evelina, and Eveline.
FEDELM:  wife of Loegaire
FENELLA:  "of the white shoulders"
FIANNA:  name of  legendary tale
FINDABAIR:  daughter of Medb
FINGULA:  daughter of Lyr
FIONA:  "white or comely"
GENEVIEVE:  "white wave"
GERMAINE:  "loud of voice"
GILDA:  "serves God." Also Gildas .
GINERVA:  "white as foam." Also Ginebra and Ginessa.
GITTA:  "strong"
GRANIA: "love"
GUENNOLA:  "white"
GUINEVERE:  "white lady." also Guenevere and Gwenyver exist.
GWENDOLEN:  "of the white brow." Also Gwendolin, Gwenn, Gwyndolin and Gwynn.
GWENNETH:  "blessed." Also Gweneth, Gwenith, and Gwynith.
IONA: "from the king's island." Also Ione .
ISOLD:  "fair." also Isolda and Isolde exist.
JENNIFER:  "white wave." Also Jenny, Jennyfer and Jennyver.
JOYCE:  feminine form of Jodoc
KEELIN:  "slender, comely." Also Keelia and Keely.
KENNOCHA: "lovely"
LAVENA:  "joy"
LESLIE:  "from the gray fortress." Also Lesley .
LINETTE:  "grace." Also Linnette, Lynet, and Lynette.
LYONESSE:  "little lion"
MAUREEN:  "great." Also Moreen .
MAVIS:  "songbird." Also Mavelle and Mavie.
MEADGHBH:  "nimble." Also Mabina and Maeveen.
MEDB:  mythical queen. Also Maeve .
MELVA:  "handmaiden." Also Malvina and Melvina.
MEREDITH:  protector of the sea
MOINA:  "mild." Also Moyna .
MORGAN:  "dweller of the sea." Also Morgana, Morgane and Morgance.
MORNA:  "dearly loved"
MORRIGAN:  name of a war goddess
MOYA:  "exceptional."  Also Moira and Mor.
MYRNA:  "tender."  Also Merna, Mirna, Moina, Morna and Moyna.
NANTOSUELTA:  meaning unknown
NEALA:  "ruler." Also Nealie .
NOLA:  "famous"
OIFA:  sister of Ove
OILELL:  name of a mythical queen
OLWEN:  daughter of Yspaddaden. Also Olwyn .
OPPIDA:  meaning unknown
ORIANA:  "blond"
OVE:  daughter of Dearg
PENARDDUN:  daughter of Beli
REGAN:  "nobility." Also Reaghan .
RHIANNON:  daughter of Hefeydd
RONAT:  "seal"
ROWENA:  "white, comely"
SELMA:  "comely"
ULA:  "sea jewel"
UNA:  "white wave"
VENETIA:  "blessed"
WYNNE:  "white or fair." Also Winnie, and Wynnie.
YSEULT:  "fair"Also
ZINERVA:  "pale." Possible  is Zenevieva.


MALE NAMES

ADAIR:  "from the ford by the oak trees"
AHERN:  "lord of the horses." Also Ahearn .
AILBE:  meaning unknown
AILILL:  myth name, meaning "king of Connaught."
AIRELL:  "nobleman"
ALANSON:  "son of Allan"
ANGUS:  "exceptionally strong." Also Aengus, Anghus, and Aonghus.
ANNA:  "from the stream." Also Anant .
ANSGAR:  "warrior"
ANWELL:  "beloved." Also Anwyl .
ANYON:  "anvil"
AOD:  son of Lyr
AP OWEN:  son of Owen
ARAWN:  king of the Underworld
ARGYLE:  "from the land of the Irish"
ARLEN:  "oath." Also Arlan, Arlin, and Arlyn.
ARTHUR:  "strong as a bear." Also Art, Artur, Arturo, Attie, and Atty.
BAIRD:  "bard"
BARRY:  "good marksman." Also Bairrfhionn, Barra, Bearach, and Bearchan.
BEACAN:  "small." Also Becan .
BEDWYR:  A Also of Bedivere, he who returned Excalibur to the Lady of the Lake. Also, Bedver, .
BENDIGEIDFRAN:  name of a king
BEVAN:  "young soldier." Also Bevin, and Bevyn.
BOADHAGH:  meaning unknown
BOWDEN:  "blond." Also Boden, Bodyn, Bowdyn, Boyd, and Boyden.
BOWEN:  son of Owen. Also Bowyn .
BOYNTON:  "from the white river"
BRAN:  "raven." Also Brann .
BRASIL:  "battle." Also Basil, and Breasal.
BREANAINN:  "sword." Also Brandan, Breandan, and Bredon.
BRENDAN: "raven." Also Bran, Bram, Brennan, and Broin.
BRETT:  "a Breton." Also Bret .
BRIAN: "strong." Also Briant, Bryan, and Bryant.
BRICE: Unisexual name. Either an Old English name meaning "noble," a Celtic name meaning "swift," or a French name meaning either "speckled" or "from Brieuxtown." Also a Greek myth name of one of the Danaids. Also Bryce .
BRICRIU:  "poison-tongued"
BRITOMARTUS:  meaning unknown
BURGESS:  "citizen"
CACHAMWRI:  name of a servant of Arthur
CADELL:  "warring"
CADMAN:  "fighter"
CALDER:  "from the stony river"
CALUM:  "dove"
CAMERON:  "crooked nose." Also Camero, and Camey.
CAOIMHGHIN:  Irish/Celtic name meaning "gentle." Also Caoimhin, and Coemgen.
CARADOC:  "dearly loved"
CARDEW:  "from the black fort"
CAREW:  "from the fortress." Also Carey, and Cary.
CARNEY:  "fighter." Also Car, Carr, Cathair, and Cathaoir.
CARROL:  "champion." Also Carroll .
CASSIVELLAUNUS:  Arthurian  legendary name. Also Caswallan .
CATHAL:  "strong in battle." Also Cahal, Conall, and Connell.
CATHBAD:  meaning unknown
CEDRIC:  "chief"
CELYDDON:  myth name of the father of Culhwch
CHAD:  "defense"
CLUST:  myth name of the son of Clustfeinad
CLUSTFEINAD:  myth name
COCIDIUS:  myth name of a hunter god
COINNEACH:  "handsome"
CONALL:  myth name of an Ulster chieftain
CONALL:  myth name of an Ulster chieftain. Also Cernach .
CONAN:  "wise." Also Con, Conant, Conn, and Cuinn.
CONCHOBAR:  myth name of a hero
CONDAN:  "dark-haired wise man." Also Condon .
CONLAOCH:  meaning unknown
CONN:  myth name of the son of Lir
CONNLA:  myth name of the son of Conn
CONROY:  "persistent"
CONWAY:  "hound of the plain"
CORANN:  myth name of a druid
CORMAC:  "charioteer." Also Cairbre, and Carbry.
CRADAWG:  myth name of the son of Bran
CUCHULAIN:  myth name of the Hound of Ulster
CULAIN:  myth name of "the smith." Also Culann .
CULHWCH:  meaning unknown
CULLEN:  "cub"
CUSTENNIN:  myth name of a giant
CYNYR:  meaning unknown
DAMAN:  "demon"
DEARG:  son of Daghda
DERMOT:  "free"
DESMOND:  "from south Munster"
DEVIN:  "poet." Also Devyn .
DILLION:  "faithful"
DINSMORE:  "from the hill fort"
DOANE:  "from the sand hill"
DONAT: "stranger." Also Donal, Donall, Domhnall, Doran, and Dorran.
DONNALLY:  "brave, dark man." Also Donnelly .
DONNCHADH:  "strong fighter." Also Donaghy, Donogh, and Donovan.
DOUGHLAS:  "dwells by the dark stream." Also Douglas .
DREM:  myth name of the son of Dremidydd
DRISCOLL: "interpreter." Also Driscol, and Driskell.
DRUCE:  "wise"
DRUDWYN:  myth name of Mabon's dog
DRUMMOND:  "lives on the hill top"
DUANE:  "song." Also Dewain, and Dwayne.
DUER:  "hero"
DUFF:  "dark-faced." Also Duby, and Duffy.
DUNCAN:  "dark-skinned fighter." Also Dunham .
DYFED:  "from Dyfred"
EA:  "fire." Also Edan . [Possibly from the name EA, meaning 'house-water', Enki]
EBURACON:  "lives near the yew-tree estate"
EFNISIEN:  myth name of the son of Euroswydd
EGAN:  "ardent." Also Eghan .
EGOMAS:  meaning unknown
EINION:  ""anvil
ELIDOR:  myth name of a monk
EMRYS:  Celtic form of Ambrose, meaning "immortal."
ERIM:  meaning unknown
EVAN:  "young fighter"
EVNISSYEN:  meaning unknown
EWEN:  "young." Also Eoghann, Eoin, Ewan, and Ewyn.
FARREL:  "brave." Also Farrell .
FERCHAR:  myth name of a son of Uisnech
FERDIAD:  meaning unknown
FERGHUS:  "manly." Also Fearghus, and Fergus.
FERRIS:  "rock"
FIACRE:  "eagle." Also Fiacra .
FIALLAN:  meaning unknown
FIAMAIN:  meaning unknown
FINBAR:  "blond." Also Finnbar, Finnobarr, and Fynbar.
FINIAN:  "handsome"
FINN:  myth name. Also Fingal .
FLOYD:  "gray"
FORSA:  meaning unknown
GALL:  "stranger"
GALVIN:  "sparrow." Also Galvyn .
GELBAN:  meaning unknown
GILDAS:  "serves God"
GILMORE:  "serves Mary" [serves the black skinned ones]
GILROY:  "serves the red-haired lord"
GIRARD:  meaning unknown
GLEN:  "from the valley." Also Glenn, and Glyn.
GLIFIEU:  myth name of the son of Taran
GORSEDD:  "from Arberth"
GRUDDIEU:  myth name of the son of Muriuel
GUY:  "sensible"
GWALCHMAI:  Arthurian  legendary name meaning "the hawk of May."
Eldest son of King Lot. One of the bravest knights of the Round Table. Also Gawain, and Gwalltafwyn, meaning "hair like rain."
GWAWL:  myth name of the son of Clud
GWEFL:  myth name of the son of Gwastad
GWERN:  myth name of the son of Matholwch
GWERNACH:  name of a giant
GWRI:  "of the golden hair"
GWYNHAM:  myth name of the father of Teithi
HAFGAN:  myth name of he who fought Arawn for dominion of the underworld.
HALWN:  myth name of the father of Huarwar.
HEFEYDD:  myth name of the father of Rhiannon
HEILYN:  myth name of the son of Gwyn
HENBEDDESTR:  "fastest man"
HENWAS:  myth name of the brother of Henbeddestr
HERNE:  myth name of a hunter god
HOEL:  Arthurian    legendary name. Father of Isolde.
HUARWAR:  myth name of the son of Halwn
HUEIL:  myth name of the son of Caw
HUON:  "batle cry"
IDEN:  "wealthy"
INNIS:  "from the island." Also Inness .
IRVIN:  "white." Also Irven, Irving, and Irvyn.
KALEN:  Irish/Celtic name meaning "warrior." Also Kailen, Kalan, Kallan, Kellen, and Kheelan.
KANE:  "intelligent." Also Kayne .
KARNEY:  "fighter." Also Kearney .
KEANE:  "tall and handsome." Also Keene .
KEGAN:  "son of Egan." Also Keaghan, and Keegan.
KEIR:  "dark-skinned"
KELVIN:  "from the narrow river." Also Kelvyn, Kelwin, and Kelwyn.
KENDALL:  "from the bright valley." Also Kendal, and Kendhal.
KENNETH:  "handsome"
KENT:  "head chief." Also Kentigern .
KERMIT:  "son of Diarmaid." Also Kermode .
KERRY:  "dark." Also Keary .
KERWIN:  "dark-skinned." Also Kerwyn, Kieran, Kirwin, and Kirwyn.
KEVIN:  "handsome" or "gentle birth."  Also Kev, Kevan, Keven, Kevon, and Kevyn.
KILLIAN:  "blind." Also Kilian .
KUNAGNOS:  "wise"
KYNTHELIG:  myth name of a guide
LAIRGNEN:  "of Connaught"
LEE:  "healer." Also Leigh .
LEITH:  "meadow"
LESLEY:  "from the gray fortress." Also Leslie .
LINCOLN:  "from the settlement by the pool"
LIR:  a mythical king
LLEWELYN:  "ruler"
LLOYD:  "gray"
LLYR:  a mythical king
LUXOVIOUS:  god of Luxeuil
MABON:  god of youth
MAC:  "son of." Also Mack .
MACCUS:  "hammer"
MACKLIN:  son of Flann. Also Macklyn .
MADDOX:  "beneficent." Also Maddock .
MALCOLM:  servant of Saint Columba
MALVIN:  "leader." Also Malvyn, Melvin, Melville, and Melvyn.
MATHOLWCH:  myth name of the King of Ireland.
MEDR:  myth name of an Ethiopic earth spirit.
MEDREDYDD:  myth name of the son of Medredydd [from the line of David]
MENW:  myth name of a wizard
MERLIN:  "from the hill over the sea." Also Merlyn .
MORFRAN:  myth name of an ugly demon
MORGAN:  "lives by the sea." Also Mariner, Marvin, Marvyn, Morven, Morvyn, Moryn, Murray, and Murry.
MUNGO:  "lovable"
MURDOC:  "seaman." Also Murdoch, and Murdock.
[possibly deriving from Marduk, which means 'Bull Calf of the Sun' - referring to Bel]
MURTAGH:  "protects the sea"
MYNOGAN:  myth name of the father of Beli
NAOIS:  myth name of a warrior
NEAL:  "champion." Also Neale, Nealon, Neil, Neill, Nell, Niall, Niallan, and Nyle.
NELS:  "chief"
NELSON:  "son of Neil"
NEMAUSUS:  myth name of the god of Nimes
NEWLIN: "from the new spring." Also Newlyn .
NIECE:  "choice." Also Neese .
NISIEN:  myth name of the son of Euroswydd
NOLAN:  "noble." Also Noland .
ORIN:  "white." Also Oran .
OSCAR: "jumping fighter." Also Osckar, Oskar, and Osker.
OSSIAN:  "fawn." Also Oisin .
OWEN:  "young fighter." Also Owin, and Owyn.
PENDARAN DYFED:  name of a powerful Druid. Also Pendaran Dyved .
PERTH:  "from the thorn-bush thicket." Also Pert .
PHELAN:  "wolf"
POWELL:  son of Howell
PRYDERI:  "care"
PWYLL:  myth name of the lord of Annwn
QUIN:  "wise." Also Quinn .
REGAN:  "regal." Also Reagan, Reaghan, and Reghan.
RIVALIN:  myth name of the father of Tristan; husband of Blanchefleur. 
RONAN:  "oath"
ROY:  "red-haired"
SATIVOLA:  name of a saint
SAWYER:  "cuts timber"
SCILTI:    legendary name of a messenger of Arthur
SETANTA:  myth name of a son of Sualtam
SHERIDAN:  "untamed"
SIDWELL:  "from the broad well."
SLOAN:  "fighter." Also Sloane .
SUGN:  myth name of a son of Sugnedudd
TADHG:  myth name of a prince of Munster
TALIESIN:  myth name of a bard
TANGUY:  "fighter"
TARAN:  "thunder"
TEAGUE:  "bard." Also Teaghue .
TEIRTU:  Myth name. Probably the name of the inventor and possessor of the magical Harp of Teirtud (Triple Harp),
who may have derived his name from the harp's triple row of strings.
TEITHI:  myth name of the son of Gwynham
TEGID FOEL:  Name of the husband of Ceridwen in Welsh    legendary. Also Celtic equivalent of Janus,
the two-faced god who looks into the past and future simultaneously. 
TEYRNON:  "regal." Also Tiernan, and Tiernay.
TORREY:  "lives by the tower." Also Tory .
TRAHERN:  "strong as iron"
TREMAYNE:  "from the town encircled by stone." Also Tremaine .
TREVOR:  "wise"
TUIREANN:  Myth name of the son of Ogma. Husband of the goddess Brigid. Father of the Three Gods of Danaan.
TURI:  "bear"
TWRCH TRWYTH:  Myth name of a boar hunted by Arthur. 
UCHDRYD:  myth name of the son of Erim. 
UISNECH:  Name for the Rasena Druids, meaning either "waters of pure spirit," or "seed of the pure." Also Uasnig, Usenech, and Vacomagi (possibly derogatory).
USK:  "water."
VARDEN:  "from the green hill." Also Vardon .
VARNEY:  "from the alder grove"
VAUGHN:  "small"
WEYLIN:  "son of the wolf." Also Weylyn .
WYNNE:  "fair"
YORK:  "yew-tree"
YSPADDADEN:  myth name of the father of Olwyn

ANCIENT WELSH NAMES

FEMALE NAMES

ABERFA: "from the mouth of the river."
ABERTHA: "sacrifice."
ADAIN: "winged." Also Adenydd .
ADDFWYN: "meek."
ADDIENA: "beautiful." Also Addien .
ADYNA: "wretched."
AELWYD: "from the hearth."
ALIS: Welsh equivalent of English/French Alice, meaning "noble; nobility." Also Adelice, Ailís (Ir.), Ala, Aleceea, Alecia, Aleetheea, Aleethia, Ali, Alica (Czech.), Alicah, Alicea, Alicen, Alicia (Sp.), Alicja (Pol.), Alidée, Alie, Aliisa (Fin.), Alika, Alikah, Aliki, Alisa (Rus.), Alisah, Alisann, Alisanne, Alisha, Alison, Alissa, Alisz, Alitheea, Alitia, Aliz (Hung.), Alla, Allecia, Alleece, Alleeceea, Alles, Alless, Alli, Allice, Allicea, Allie, Allis, Allison, Allissa, Allisun, Allisunne, Allsun, Ally, Allyce, Allyceea, Allys, Allyse, Allysia, Allysiah, Allyson, Allyssa, Allysson, Alyce, Alyceea, Alys, Alyse, Alysia, Alyson, Alyss, Arisu (Jap.), Elissa, Elli, Ellie, Ellissa, Ellsa, Elsa, Illyssa, Ilysa, Ilysah, Ilyssa, Ilysse, Leece, Leese, Licha, Lichah, Lissa, and Lyssa.
AMSER: "time."
ANGHARAD: Welsh name meaning "much loved." Name of a love of Peredur in Arthurian    legendary. Also Angharat .
ANWEN: Welsh name meaning "very fair." Also Anwyn .
ARGEL: "refuge."
ARGLWYDDES: "lady."
ARGOEL: "omen."
ARGRAFF: "impression."
ARIAL: "vigorous."
ARIANA: Welsh name meaning "like silver." Also Arena, Arene, Arian, and Ariane.
ARIANRHOD: daughter of Don.
ARLAIS: "from the temple."
ARMES: "prophetess."
ARTAITH: "torment."
ARTHES: "she-bear."
ARWYDD: "sign."
ASGRE: "heart."
ATGAS: "hateful."
AWEL: "breeze."
BANON: "queen."
BARRIE: Welsh unisex name taken from the Barry Islands. First a surname. Also Bari, and Barri.
BERTH: "beautiful."
BERTHOG: "wealthy."
BLODWEN: Welsh form French Blanchefleur, meaning "white flower."  Also, Blodwyn, .
BRAITH: "freckled."
BREGUS: "frail."
BRIALLAN: "primrose."
BRANWYN: Welsh name meaning "beautiful raven." Myth name of the daughter of Llyr. Also Bran, Brangwen, Brangwy, Branwen, and Branwenn.
BRONWYN: Welsh name meaning "fair-bosomed; fair-breasted." Also Bron, Bronnie, Bronny, Bronwen, and Bronya.
BRYN: Welsh unisex name meaning "from the hill or mount." Also Brynn, Brynna, and Brynne.
BUDDUG: Welsh form of Victoria, meaning "victory."
CADI: "pure." Also Catrin .
CADWYN: "chain."
CAETHES: "slave."
CAFELL: "oracle."
CANIAD: "song."
CARON: Welsh name meaning "to love."
CARYS: Welsh name meaning "love."
CATH: "cat."
CATRIN: Welsh form of Greek Katherine, meaning "pure." Also Aikaterine (Gr.), Cait, Caitey, Caitie, Caitlín (Ir.), Caitlin, Caitlinn, Caitrin, Caitrine, Caitrinn, Caitríona (Ir.), Caitrìona (Scot.), Caitrionagh, Caity, Caren, Cari, Carin, Caron, Caronne, Carren, Carri, Carrin, Carron, Caryn, Carynn, Cass, Cassey, Cassi, Cassie, Cassy, Cat, Cataleen, Cataleena, Catalina (Sp.), Cataline, Catarina (It./Port.), Catarine, Cate, Cateline, Caterina (It.), Catey, Catha, Cathaleen, Cathaline, Catharin, Catharina, Catharine, Catharyna, Catharyne, Cathe, Cathee, Cathelin, Cathelina, Cathelle, Catherin, Catherina (Sp.), Catherinn, Catheryn, Cathi, Cathie, Cathirin, Cathiryn, Cathleen, Cathlene, Cathline, Cathlyne, Cathrine (Scand.), Cathrinn, Cathryn, Cathrynn, Cathy, Cathye, Cathyleen, Cati, Catia, Catie, Catina, Catlaina, Catreena, Catrina, Catrine, Catriona (Ir./Scot.), Catrionagh, Catryna, Caty, Cay, Caye, Ecaterina (Rom.), Ekaterina (Bulg./Rus.), Kaarina (Fin.), Kait, Kaitey, Kaitie, Kaitlin, Kaitlinne, Kaitrin, Kaitrine, Kaitrinna, Kaitriona, Kaitrionagh, Kaity, Kakalina (Haw.), Karen (Eng./Dan./Norw.), Karena, Kari (Norw.), Karin (Dut./Fin./Ger./Swed.), Karon, Karri, Karrin, Karyn, Karynn, Kasia, Kasienka, Kasja, Kaska, Kass, Kassey, Kassia, Kassy, Kasya, Kat, Kata, Kataleen, Katalin (Basq./Hung.), Katalina, Katariina (Fin.), Katarina (Ger./Hung./Slav./Swed.), Katarzyna (Pol.), Katchen, Kate, Katee, Katelijn (Dut.), Katell, Katelle, Katenka, Katerina (Rus.), Kateřina (Czech.), Katerinka, Kateryna (Ukr.), Katey, Katha, Katharine (Eng./Ger.), Katharyn, Katharyne, Käthe (Ger.), Kathee, Kathelina, Katheline, Katherin, Katherina, Katherine, Katheryn, Katherynn, Kathi, Kathie, Kathileen, Kathiryn, Kathleen, Kathlene, Kathleyn, Kathline, Kathrine, Kathrinna, Kathryn, Kathryne, Kathy, Kathyleen, Kathyrine, Kati, Katica, Katie, Katina, Katinka, Katja (Ger.), Katka, Katla, Katlaina, Katleen, Katoushka, Katrena, Katrina, Katrine (Dan./Dut./Ger.), Katriona, Katrionagh, Katryna, Katushka, Katy, Katya, Kay, Kaye, Kit, Kittee, Kittie, Kitty, Reina (Yid.), Trina, Trine, Trinette, Yekaterin (Rus.), and Yekaterina (Rus.).
CERI: Welsh unisex name meaning "to love." Also a nickname for Ceridwen, the goddess of poetry.
CERIDWEN: Welsh name of a goddess of poetry, meaning "beautiful enough for poetry." Also Ceri, and Cerridwyn.
CORSEN: "reed."
CRAGEN: "shell."
CREIDDYLAD: Welsh form of English Cordelia, which is probably related to the Latin word cor, "heart," but may also be a Celtic name meaning "daughter of the sea." Name of a Shakespeare character. 
CRYSTIN: Welsh equivalent of Eng./Ger. Christine, meaning "Christian," or "anointed." Also Caìristiona (Scot.), Chris, Chrissie, Chrissy, Chrissta, Chrisstan, Chrissten, Chrissti, Chrisstie, Chrissty, Christa, Christan, Christeen, Christel, Christelle (Fr.), Christen, Christi, Christiana, Christiane, Christianna, Christie, Christin, Christina, Christinn, Christy, Christyna, Chrystal, Chrystalle, Chrystee, Chrystel, Chrystelle, Chrystle, Cris, Crissey, Crissie, Crissy, Crista, Cristal, Cristel, Cristelle, Cristen, Cristena, Cristi, Cristie, Cristin, Cristina, Cristine, Cristiona, Cristy, Crysta, Crystena, Crystene, Crystie, Crystina, Crystine, Crystyna, Hristina (Bulg.), Khristeen, Khristena, Khristina, Khristine, Khristya, Kirsten, Kirstin, Kit, Kris, Krissy, Krista, Kristeen, Kristel, Kristen, Kristi, Kristiina (Fin.), Kristin (Scan.), Kristina (Rus./Czech.), Kristine (Dan./Norw.), Kristy, Krysta, Krystka, Krystle, Stina, Teena, Teyna, Tina, and Tiny.
CYMREIGES: "Welsh woman."
DEE: Welsh name meaning "swarthy." Also used as a nickname for names beginning with the letter "D." Also Dede, Dedie, DeeDee, DeeAnn, and Didi.
DERA: "fiend." Also Daere .
DERWEN: "from the oak tree."
DERYN: Welsh name meaning "bird." Also Deren, Deron, Derrine, and Derron.
DICRA: "slow."
DIFYR: "amusing."
DILYS: Welsh name meaning "genuine; sincere; reliable." Also Dil, Dilly, Dylis, Dyllis, and Dylys.
DRYSI: "thorn."
EBRILL: Welsh month name, meaning "opening up; new birth; blossoming." Also April (Lat./Eng.), Aprilete, Aprille, Averel, Averell, Averil, Averill, Averyl, Averyll, Averylle, Avril (Fr.), and Avrill.
EFA: Welsh form of Eve, meaning "life."
EHEUBRYD: daughter of Kyvwlch.
ELEN: Welsh form of Greek Helen, meaning "light." Also Aila, Ailee, Ailene, Ailey, Aili, Ailie, Ailli, Aleen, Alene, Alina (Slav.), Aline, Alleen, Allene, Alli, Alline, Eileen, Eilene, Eilidh (Scot.), Eleen, Elleen, Ellen (Dut.), Ellene, Helene (Ger./Scan.), Ileana, Ileane, Ileanna, Ileen, Ilene, Iliana, Iliane, Ilianna, Illeanne, Illene, Leana, Leanah, Leanna, Leannah, Lena, Lenah, Liana, Lianna, Liannah, Lina, and Linah. 
ELLYLW: daughter of Neol Hang Cock.
ENEUAWG: daughter of Bedwyr.
ENIT: "woodlark; soul; life." Also Enid .
ENRHYDREG: daughter of Tuduathar.
ERDUDVYL: daughter of Tryffin.
ERES: "wonderful."
ESYLLT: Welsh form of Isolda, meaning "fair."
EURNEID: daughter of Clydno.
EUROLWYN: daughter of Gwydolwyn.
EYSLK: "fair."
FFANCI: "fancy."
FFRAID: Welsh form of Irish/Gaelic Bridget, meaning "strength; power; exalted one; protective." 
GARAN: "stork."
GLADYS: "lame." Also Glad, Gladdie, Gladdy, Gleda, and Gwladys.
GLAN: "from the shore."
GLENDA: "from the glen." Also Glen, Glenn, and Glyn.
GLENYS: Probably Also of Glynis, "valley," but could also be blend of Gladys, "lame," and Glenda, "from the glen." Also Glen .
GLYNIS: Perhaps alteration of Gladys, "lame," influenced by glyn, "valley." Also Glyn, and Glynnis.
GOEWIN: daughter of Pebin.
GOLEUDDYDD: "bright day."
GORASGWRN: daughter of Nerth.
GORAWEN: "joy."
GWAEDDAN: daughter of Kynvelyn.
GWANWYN: "spring."
GWEN: "white." Also Guinevere, Gwenhwyvar, Gwyn, Gwynedd, Gwyneth, and Gwynne.
GWENABWY: daughter of Caw.
GWENDA: Comprising gwen, "white or fair," and da, "good."
GWENDOLEN: "white-browed." Also Gwen, Gwendoline, and Gwendolyn.
GWENER: Welsh form of Venus, goddess of love.
GWENLEDYR: daughter of Gwawrddur Hunchback.
GWENN ALARCH: daughter of Kynwal.
GWYNETH: From gwynaeth, "luck or happiness." Sometimes associated with Welsh county name Gwynedd, but that has a different, ancient origin. Also Gwen, Gweneth, Gwenneth, Gwenyth, and Gwynneth.
INDEG: daughter of Garwy.
IOLA: "valued by the Lord."
ISOLDE: "fair." Also Isolda .
KELEMON: daughter of Kei.
KIEVE: myth name.
KIGVA: wife of the son of Partholon.
LILYBET: "God's promise."
LOWRI: Welsh form of Laura, meaning "laurel."
MABLI: Welsh form of Mabel, meaning "lovable."
MAIR: "bitter."
MALI: Welsh form of Molly, meaning "bitter."
MARGED: "pearl." Also Margred, Meghan, and Mererid.
MERCIA: "from Mercia."
MEREDITH: "magnificent." Also Maredud, and Meredydd.
MODLEN: Welsh form of Magdalene, meaning "woman from Magdala."
MORGAN: "from the shore of the sea." Also Morgana, and Morgant.
MORVUDD: daughter of Uryen.
MYFANWY: "my fine one."
NEUED: daughter of Kyvwlch.
OLWEN: "white footprint." Also Olwina, Olwyn, and Olwyna.
PENARDDUN: daughter of Beli.
RATHTYEN: daughter of Clememyl.
RHAN: "fate."
RHAWN: "coarse, long hair."
RHEDYN: "fern."
RHIAIN: "maiden."
RHIANNON: "pure maiden."
RHIANWEN: "comely maiden." Also Rhianwyn .
RHONWEN: Welsh form of Rowena, meaning "white-haired."
RHOSYN: "rose."
SAETH: "arrow."
SAFFIR: "sapphire."
SARFF: "snake."
SEREN: "star."
SIAN: Welsh form of Jane, meaning "gift of God." Also Sioned .
TALAITH: Welsh equivalent of Hebrew Atara, meaning "adorned with a diadem, jeweled crown, or tiara." Also Atarah, Ateret, Atera, Atira, and Ateret.
TALAR: "from the headland in the field."
TANGWEN: daughter of Gweir.
TARIAN: "shield."
TARREN: "from the knoll."
TELERI: daughter of Peul.
TELYN: "harp."
TERRWYN: "brave."
TORETH: "abundant."
TORLAN: "from the river bank."
TORRI: "break."
UNA: "white wave."
VALA: "chosen."
VANORA: "white wave."
WINNIFRED: "white wave." Also Wynnifred .
WYNNE: "fair." Also Wyn .
YSBAIL: "spoiled."
MALE NAMES

ABERTHOL: "sacrifice"
AB-OWEN: "son of Owen"
ADDA: Welsh form of Adam, meaning "of the red earth." [possibly from Adapa - Sumerian name for 'Adam']
ADDOLGAR: "devout"
ADWR: "coward"
AEDD:    legendary name of a king of Ireland
AETHLEM: meaning unknown
AHASFERUS: meaning unknown
ALAWN: "harmony"
ALBANWR: "from Scotland"
ALUN:    legendary name
ALWYN: "from Alwyn." Also Alwin .
AMATHAON:    legendary name of a son of Don
AMERAWDWR: "emperor"
AMHAR:    legendary name of a son of Arthur
AMLAWDD:    legendary name of the father of Goleuddydd
AMREN:    legendary name of a son of Bedwyr
AMYNEDD: "patient." Also Amyneddgar .
ANARAWD:    legendary name of the father of Iddig
ANDREAS: Welsh form of Andrew, meaning "manly."
ANEIRIN: myth name, meaning "all gold; very precious little one." Also Aneurin, and Nye.
ANFRI: "disgrace"
ANGAWDD:    legendary name of a son of Caw
ANGHRIST: "Antichrist"
ANGOR: "anchor"
ANWAR: "wild." Also an Arabian unisex name meaning "rays of light; lustrous; shiny."
ANWAS:    legendary name of the father of Twrch
ANWELL: "beloved." Also Anwil, Anwill, Anwyl, and Anwyll.
ANWIR: "liar"
ANYNNAWG:    legendary name of a son of Menw
ANYON: "anvil"
AP-EVAN: "son of Evan"
AP-HARRY: "son of Harry"
AP-HOWELL: "son of Howell"
AP-MADDOCK: "son of Maddock"
AP-OWEN: "son of Owen"
AP-RHYS: "son of Rhys"
ARDWYAD: "protector"
ARGLWYDD: "lord"
ARIAN: "silver"
ARTHUR: "bear hero." Also Arthwr .
ARVEL: "cried over." Also Arval, and Arvil.
AVAON:    legendary name of a son of Talyessin
AWSTIN: "august"
BADDON: "from Baddon"
BAEDDAN: "boar." Also Badan, and Badden.
BARRIE: Welsh unisex name taken from the Barry Islands. First a surname. Also Bari, and Barri.
BARRIS: "son of Harry." Also Barrys .
BEDA: Welsh form of Bede, the name of a priest
BEDWYR:    legendary name of a son of Pedrawd
BEDYW:    legendary name of a son of Seithved
BELI:    legendary name of a brother-in-law of the Virgin Mary. Also Beli Mawr
BENDIGEIDFRAN: "blessed raven"
BERTH:    legendary name of a son of Cadwy
BERWYN:    legendary name of a son of Kerenhyr
BEVEN: "youthful." Also Bevin, and Bevyn.
BLATHAON:    legendary name of a son of Mwrheth
BLEIDD: "wolf"
BRAC: "free"
BRADWEN:    legendary name of a son of Moren
BRADWR: "traitor"
BRAEN: "corrupt"
BRAN: "raven"
BRANNOCK: meaning unknown. Also Brannoc .
BRATHACH:    legendary name of a son of Gwawrddur
BRIAN:    legendary name of a son of Turenn
BRODERICK: "son of Roderick." Also Ap-Roderick .
BRYN: Welsh unisex name meaning "from the hill or mount." Also Brynn, Brynna, and Brynne.
BRYS:    legendary name of a son of Brysethach
BWLCH:    legendary name of a son of Cleddyv Kyvwlch
CADARN: "strong"
CADDOCK: "battle-sharp." Also Cadawg, and Caddoc.
CADELL: "spirit of the battle." Also Cadel .
CADELLIN:    legendary name of the father of Gweir
CADMAN: "warrior." Also Cadmon .
CADWALADER: "one who deploys troops for battle." Also Cadwallader
CADWALLEN: "battle dissolver"
CADWGAWN:    legendary name of a son of Iddon
CADWR:    legendary name of a son of Gwryon
CADWY:    legendary name of a son of Gereint
CADYRYEITH: "well-spoken"
CAER LLION: "from Caerleon"
CAI: "rejoicer"
CAIN: "clear water"
CALCAS:    legendary name of a son of Caw
CALEDVWLCH:    legendary name for Excalibur
CANT: "white"
CARADAWG:    legendary name of the father of Eudav, meaning "love." Also Caradoc, and Caradog.
CARNEDYR:    legendary name of a son of Govynyon
CAS:    legendary name of a son of Seidi.
CASNAR:    legendary name of a nobleman.
CASSWALLAWN:    legendary name of a son of Beli. Also Caswallon .
CAW:    legendary name.
CAWRDAV:    legendary name of a son of Caradawg.
CEITHIN:    legendary name of an uncle of Lugh.
CERI: Welsh unisex name meaning "to love." Also a nickname for Ceridwen, the goddess of poetry.
CLUD: "lame."
CLUST:    legendary name of a son of Clustveinydd
CLYDE: "loud-voiced." Also Clywd .
CNYCHWR:    legendary name of a son of Nes
COCH:    legendary name of a son of Caw
COED: "dwells in the woods"
CONYN:    legendary name of a son of Caw
CORRYN: "spider"
CORS: myth name
CRADDOCK: "beloved." Also Caradoc, and Cradoc.
CRIST: "Christian"
CUBERT:    legendary name of a son of Daere
CULHWCH:    legendary name of a son of Kilydd
CULVANAWD:    legendary name of a son of Gwryon
CUSTENHIN:    legendary name of the father of Erbin
CYMRY: "from Wales"
CYNBEL: "warrior chief." Also Cynbal .
CYSTENNIN: "constant"
DADWEIR:    legendary name
DAFYDD: "dearly loved." Also Dewi .
DAI: Originally from Old Celtic dei, meaning "to shine," but now regarded as a short form of David, meaning "favorite."
DALLDAV:    legendary name of a son of Cunyn Cov
DANED:    legendary name of a son of Oth
DEVERELL: "from river bank." Also Deverril .
DEWI: "belonging to the Lord." Also Dewey .
DIGON:    legendary name of a son of Alar
DILLUS:    legendary name of a son of Eurei
DIRMYG:    legendary name of a son of Caw
DREM: "sight"
DREMIDYDD:    legendary name of the father of Drem
DREW: "wise." Also Dryw .
DRUCE: "son of Drew." Also Druson, and Drywsone.
DRUDWAS:    legendary name of a son of Tryffin
DRUDWYN: meaning unknown
DRWST:    legendary name
DRYCH:    legendary name of a son of Kibddar
DRYSTAN: Welsh form of Tristan, meaning "full of sorrow."
DUACH:    legendary name of a son of Gwawrddur
DWNN: meaning unknown
DYFFRYN: meaning unknown
DYLAN: "born near the sea." Also Dilan, Dillie, Dillon, and Dyl.
DYNGANNON:    legendary name
DYVYNARTH:    legendary name of a son of Gwrgwst
DYVYNWAL:    legendary name
DYVYR:    legendary name of a son of Alun
DYWEL:    legendary name of a son of Erbin
EARWINE: "white river." Also Earwyn, Erwin, and Erwyn.
EDERN:    legendary name of a son of Nudd
EDLYM:    legendary name
EDMYG: "honor"
EHANGWEN:    legendary name
EIDDOEL:    legendary name of a son of Ner
EIDDON:    legendary name
EIDDYL:    legendary name
EILADAR:    legendary name of a son of Penn Llarcan
EINION: "anvil." Also Einian .
EIRYN:    legendary name of a son of Peibyn
EIVYONYDD:    legendary name
ELIDYR:    legendary name
ELPHIN:    legendary name of a son of Gwyddno
EMHYR: "ruler"
EMLYN: "waterfall"
EMRYS: Welsh form of Ambrose, meaning "immortal."
ENFYS: Unisex Welsh name meaning "rainbow."
ENNISSYEN:    legendary name
ERBIN:    legendary name of a son of Custenhin
ERCWLFF: Welsh form of Hercules, meaning "glory of Hera."
ERGYRYAD:    legendary name of a son of Caw
ERIM:    legendary name
ERMID:    legendary name of a son of Erbin
ERWM:    legendary name
ERYI: "from Snowdon"
EUDAV:    legendary name of a son of Caradawg
EUROSSWYDD:    legendary name
EUS:    legendary name of a son of Erim
EVAN: "young"
EVRAWG: "from York"
EVREI:    legendary name
EWYAS:    legendary name
FERCOS:    legendary name of a son of Poch
FFLAM:    legendary name of a son of Nwyvre
FFLERGANT:    legendary name of a king of Brittany
FFLEWDWR:    legendary name of a son of Naw
FFODOR:    legendary name of a son of Ervyll
FFOWC: "of the people"
FOTOR:    legendary name
FYCHAN: "small"
FYRSIL: Welsh form of Virgil, meaning "bears the staff." Also Fferyll .
GALLGOID:    legendary name
GAMON:    legendary name
GANDWY:    legendary name
GARANHON:    legendary name of a son of Glythvyr
GARANWYN: "white shank"
GARNOCK:  Old Welsh name meaning "river of alder trees."  Also Garnoc, and Gwernach.
GARSELID:    legendary name
GARWYLI:    legendary name of a son of Gwyddawg Gwyr
GARYM:    legendary name
GAVIN: "hawk of the battle." Also Gwalchmai .
GAWL: myth name
GERAINT:    legendary name of the father of Cadwy
GILBERT:    legendary name of a son of Cadgyffro
GILVAETHWY:    legendary name of a son of Don
GLADWIN:  "happy friend." Also Glaedwine, Gladwyn, and Gletwyn.
GLEIS:    legendary name of a son of Merin
GLEW:    legendary name of a son of Ysgawd
GLEWLWYD:    legendary name
GLINYEU:    legendary name of a son of Taran
GLOYW:    legendary name
GLYN: "dwells in the glen." Also Glenn, and Glynn.
GLYTHVYR:    legendary name
GOBRWY:    legendary name of a son of Echel Pierced Thighs
GOGYVWLCH:    legendary name
GOREU:    legendary name of a son of Custenhin
GORMANT:    legendary name of a son of Rica
GORONWY:    legendary name
GORSEDD: "from the mound"
GOVAN:    legendary name of a son of Caw
GOVANNON:    legendary name of a son of Don
GOVYNYON:    legendary name
GOWER: "pure." Also Gowyr, and Gwyr.
GRANWEN:    legendary name of a son of Llyr
GREID:    legendary name of a son of Eri
GREIDYAWL:    legendary name
GRIFFIN: "strong in faith." Also Griffen, Gryphin, and Gryphon.
GRIFFITH: "red-haired." Also Griffeth, Gruffudd, and Grufydd.
GRUDDYEU:    legendary name of a son of Muryel
GRUFFIN: "fierce lord." Also Gruffen, and Gruffyn.
GRUGYN:    legendary name
GRYN:    legendary name
GUSG:    legendary name of a son of Achen
GWALCHMEI:    legendary name of a son of Gwyar
GWALES:    legendary name
GWALHAVED:    legendary name of a son of Gwyar
GWALLAWG:    legendary name of a son of Llenawg
GWALLTER: Welsh form of Walter, meaning "strong fighter."
GWARTHEGYDD:    legendary name of a son of Caw
GWASTAD:    legendary name
GWAWL:    legendary name of a son of Clud
GWAWRDDUR:    legendary name
GWEIR:    legendary name of a son of Cadellin Silver
GWENWYNWYN:    legendary name of a son of Naw
GWERN: "old"
GWERTHMWL:    legendary name
GWEVYL:    legendary name of a son of Gwastad
GWIAWN:    legendary name
GWIFFRED:    legendary name
GWILENHIN:    legendary name of a king of France
GWILYM: Welsh form of William, meaning "determined protector."
GWITART:    legendary name of a son of Aedd
GWLGAWD:    legendary name
GWLWLWYD:    legendary name
GWLYDDYN:    legendary name
GWRDDNEI:    legendary name
GWRDDYWAL:    legendary name of a son of Evrei
GWRES:    legendary name of a son of Rheged
GWRGWST:    legendary name
GWRHYR:    legendary name
GWRI:    legendary name
GWRTHEYRN: meaning unknown
GWRYON:    legendary name
GWYDDAWG:    legendary name of a son of Menestyr
GWYDRE:    legendary name of a son of Arthur
GWYDYON:    legendary name of a son of Don
GWYN: "handsome" son of Nudd. Also Gwynn .
GWYNGAD:    legendary name of a son of Caw
GWYNNAN:    legendary name
GWYR: "from Gower"
GWYS:    legendary name
GWYSTYL:    legendary name of a son of Nwython
GWYTHYR:    legendary name of a son of Greidyawl
HEILYN:    legendary name of a son of Gwynn
HEN BEDDESTYR:    legendary name of a son of Erim
HEN WAS: "old servant"
HEN WYNEB: "old face"
HETWN:    legendary name
HEVEYDD:    legendary name
HOWELL:  "Eminent; remarkable."  Also, Howel, .
HU: Welsh form of Hugh, meaning "intelligent." Also Huw .
HUABWY:    legendary name of a son of Gwryon
HUARWAR:    legendary name of a son of Avlawn
HUEIL:    legendary name of a son of Caw
HYDD: "deer"
IAGO: Welsh form of James, meaning "supplanter."
IAU: Welsh form of Zeus, meaning "life."
IDDAWG:    legendary name of a son of Mynyo
IDDIG:    legendary name of a son of Anarawd
IFOR:  Of uncertain origin, possibly meaning "lord."  Often associated with Norse/Scandinavian Ivor, meaning "bowman."
IOAN: Welsh form of John, meaning "gift of God." Also Iwan .
IONA:    legendary name of a king of France
IORWERTH:  "handsome lord"; son of Maredudd in    legendary.
IUSTIG:    legendary name of a son of Caw
KAY: "fiery"
KEI:    legendary name of a son of Kynyr
KEITH: "dwells in the woods"
KELLI: "from the wood"
KELYDDON:    legendary name
KELYN:    legendary name of a son of Caw
KENEHYR:    legendary name
KENN: "clear water." Also Ken .
KENT: "white"
KENYON: "from Ennion's mound"
KETHTRWM:    legendary name
KEUDAWG:    legendary name
KEVYN: "from the ridge"
KIAN:    legendary name of the father of Lugh
KIBDDAR:    legendary name
KILWICH: myth name
KILYDD:    legendary name of a son of Kelyddon
KIM: "leader"
KIMBALL: "warrior chief." Also Kimble .
KYLEDYR:    legendary name of a son of Nwython
KYNAN: "chief"
KYNDDILIG: "chief"
KYNDRWYN:    legendary name of a son of Ermid
KYNEDYR:    legendary name of a son of Hetwn
KYNLAS:    legendary name of a son of Kynan
KYNON:    legendary name of a son of Clydno
KYNWAL:    legendary name of a son of Caw
KYNWAS:    legendary name
KYNWRIG:    legendary name
KYNWYL: name of a saint
KYVWLCH:    legendary name of a son of Cleddyv
LIMWRIS:    legendary name
LLACHEU:    legendary name of a son of Arthur
LLAESGYMYN:    legendary name
LLARA: "meek"
LLASSAR:    legendary name of a son of Llassar Llaes
LLAWR:    legendary name of a son of Erw
LLAWVRODEDD:    legendary name
LLENLLEAWG:    legendary name
LLUE:    legendary name
LLEVELYS:    legendary name of a son of Beli
LLEWELYN: "lion." Also Llewellyn, and Llyweilun.
LLOYD: "one with gray hair." Also LLwyd .
LLUDD: "from London." Also Llundein .
LLWCH:    legendary name
LLWYARCH:    legendary name
LLWYBYR:    legendary name of a son of Caw
LLWYD:    legendary name of a son of Kil Coed
LLWYDAWG:    legendary name
LLWYDEU:    legendary name of a son of Nwython
LLWYR:    legendary name of a son of Llwyryon
LLWYRDDYDDWG:    legendary name
LLYN: "from the lake"
LLYR: "from the sea"
LUG: Welsh form of Luke, meaning "light." Also Luc .
MABON:    legendary name of a son of Modron
MABSANT:    legendary name of a son of Caw
MADAWG:    legendary name of a son of Teithyon
MADDOCK: "beneficent." Also Madawc, Maddoc, Maddog, Madoc, and Madog.
MADDOX: "son of Maddock." Also Maddockson, and Maddocson.
MAEL:    legendary name of a son of Roycol
MAELGWYN: "prince of the hounds"
MAELWYS:    legendary name of a son of Baeddan
MALLOLWCH:    legendary name of a king of Ireland
MANAWYDAN:    legendary name of a son of Llyr
MARCH:    legendary name of a son of Meirchyawn
MAREDUDD:    legendary name [possibly deriving from Marduk]
MATH: myth name. Also Mathonwy .
MAWRTH: Welsh form of Mars, god of war 
[possibly deriving from Marduk]
MAXEN:    legendary name
MEDYR:    legendary name of a son of Medyredydd
MEILYG:    legendary name of a son of Caw
MENW:    legendary name of a son of Teirwaedd
MERCHER: Welsh form of Mercury, messenger of the gods
MEREDITH: "guardian of the sea." Also Meredydd, and Meridith.
MERIN:    legendary name
MEURIG: Welsh form of Morris, meaning "dark-skinned."
MIHANGEL: Welsh form of Michael, meaning "God-like."
MIL:    legendary name of a son of Dugum
MOESEN: Welsh form of Moses, meaning "from the water."
MORDWYWR: "sailor"
MOREN:    legendary name of a son of Iaen
MORGAN: "dwells near the sea." Also Morcan, and Morcar.
MORGANNWG: "from Glamorgan"
MORGANT:    legendary name
MORTHWYL: "hammer"
MORVRAN:    legendary name of a son of Tegid
MYRDDIN: Welsh form of Merlin, meaning "hawk."
NAW:    legendary name of a son of Seithved
NEB:    legendary name of a son of Caw
NEIFION: Welsh form of Neptune, god of the seas
NER:    legendary name
NERTH:    legendary name of a son of Cadarn
NERTHACH:    legendary name of a son of Gwawrddur
NEUED:    legendary name of the father of Tringad
NEWLIN: "dwells near the new pool." Also Newlyn, and Newyddllyn.
NISSYEN:    legendary name of a son of Eurosswydd
NODAWL:    legendary name
NUDD:    legendary name
NYNNYAW:    legendary name of a son of Beli
ODGAR:    legendary name of a son of Aedd
ODYAR: myth name
OFYDD: Welsh form of Ovid, a Roman poet
OL:    legendary name of a son of Olwydd
OLWYDD: "tracker"
ONDYAW:    legendary name of a son of a French Duke
OSLA:    legendary name
OSWALLT: Welsh form of Oswald, meaning "strength from God."
OTH:    legendary name
OWEIN: "young warrior." Also Owain, Owen, Owin, and Owyn.
PADRIG: Welsh form of Patrick, meaning "noble."
PANAWR:    legendary name
PARRY: "son of Harry." Also Perry .
PEBIN:    legendary name
PEDR: Welsh form of Peter, meaning "rock."
PEDRAWD:    legendary name
PEIBYN:    legendary name
PEISSAWG:    legendary name of a king of Brittany
PEMBROKE: "lives in the headland"
PENDARAN: meaning unknown
PENKAWR: myth name
PENLLYN: "from the headland of the lake"
PENN: "from the peak"
PENRYN:    legendary name
PENVRO: "from Pembroke"
PEREDUR:    legendary name of a son of Evrawg
POWELL: "son of Howell"
POWYS:    legendary name
PRICE: "son of Rhys." Also Preece, and Prys.
PRYDERI: myth name of a son of Pwyll
PRYDWEN: "handsome"
PUW: Welsh form of Pugh, "son of Hugh."
PWYLL: "son of Howell"
PYRS: Welsh form of Pierce, meaning "rock."
REN: "ruler." Also Ryn .
RENFREW: "dwells near the still river." Also Rhinffrew .
RHEGED:    legendary name of the father of Gwres
RHEIDWN:    legendary name
RHEU:    legendary name
RHIOGANEDD:    legendary name of a prince of Ireland
RHISIART: Welsh form of Richard, meaning "strong ruler."
RHOBERT: Welsh form of Robert, meaning "brilliant renown."
RHUN:    legendary name of a son of Beli
RHUVAWN:    legendary name of a son of Deorthach
RHYAWDD:    legendary name of a son of Morgant
RHYCHDIR: "from the plow land"
RHYD: "from the ford"
RHYNNON:    legendary name
RHYS: "ardent." Also Reece, Rees, and Rice.
ROMNEY: "dwells near the curving river." Also Rumenia .
SACH:    legendary name
SADWRN: Welsh form of Saturn, god of the harvest
SAWYL:    legendary name
SAYER: "carpenter." Also Saer, Sayers, Sayre, and Sayres.
SEISSYLLWCH:    legendary name
SEITH: "seven." Also Saith .
SEITHVED:    legendary name
SEL:    legendary name of a son of Selgi
SELYF: Welsh form of Solomon, meaning "peace."
SELYV:    legendary name of a son of Kynan
SIARL: Welsh form of Charles, meaning "manly."
SIAWN:    legendary name of a son of Iaen
SIENCYN: Welsh form of Jenkin, meaning "God is gracious."
SINNOCH:    legendary name of a son of Seithved
SION: Welsh form of John, meaning "God is gracious."
SIOR: Welsh form of George, meaning "farmer."
STEFFAN: Welsh form of Stephen, meaning "crowned with laurels."
SUGYN:    legendary name of a son of Sugynedydd
SULYEN:    legendary name of a son of laen
SYVWLCH:    legendary name of a son of Cleddyv Kyvwlch
TAD: "father." Also Tadd .
TAFFY: "beloved"
TALIESIN: "handsome." Also Talyessin .
TALLWCH:    legendary name
TARAN:    legendary name
TARAWG:    legendary name
TAREDD:    legendary name
TARRANT: "thunder." Also Taren, Tarran, and Taryn.
TATHAL:    legendary name
TAWY:    legendary name
TEGVAN:    legendary name
TEGYR:    legendary name
TEIR:    legendary name
TEIRNON:    legendary name
TEIRWAEDD:    legendary name
TEITHI:    legendary name of a son of Gwynnan
TEREGUD:    legendary name of a son of Iaen
TIMOTHEUS: Welsh form of Timothy, meaning "God-given."
TOMOS: "twin"
TON:    legendary name
TRACHMYR:    legendary name
TRAHERN: "incredibly strong." Also Trahayarn .
TREMAYNE: "lives in the house by the rock." Also Tremen .
TRENT: "dwells near the rapid stream." Also Trynt .
TREVELYAN: "from the home of Elian." Also Trevelian .
TRINGAD:    legendary name of a son of Neued
TRISTAN: "noisy." Also Trystan .
TRISTRAM: "sorrowful"
TRYFFIN:    legendary name
TUDOR: "gift of God." Also Tewdwr .
TWM: Welsh form of Tom, meaning "gift from God."
TWRCH:    legendary name
TWRGADARN: "tower of strength"
TYWYSOG: "prince"
UCHDRYD:    legendary name of a son of Erim
UNIG:    legendary name
URYEN:    legendary name
VADDON: "from Bath"
VAUGHN: "small." Also Vychan .
WADU:    legendary name of a son of Seithved
WALJAN: "chosen"
WERBENEC: meaning unknown
WMFFRE: Welsh form of Humphrey, meaning "friend of the Huns."
WREN: "ruler"
WRNACH:    legendary name
WYNN: "handsome." Also Winn, and Wyn.
YNYR:    legendary name
YSBERIN:    legendary name of a son of Fflergant
YSBERYR:    legendary name
YSGAWYN:    legendary name of a son of Panon
YSGITHYRWYN:    legendary name
YSGONAN:    legendary name
YSPADADEN:    legendary name
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