Andreas

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Megan

Originally a Welsh pet form of English Margaret, probably from Meg + -an (a diminutive suffix used to form pet names), now often used as an independent given name.


Lowri

a female given name, equivalent to English Laura


Awen

a female given name, meaning inspiration


Ann

חַנָּה חנה#Hebrew

a female given name from Ancient Greek Ἄννα (Ánna) [in turn from Hebrew חַנָּה (“Hana”)]


Alan

a male given name, feminine equivalent Alana


Nest

One variant name of the daughter of Gruffudd ap Cynan.


Morgan

From Old Welsh Morcant, possibly from mor (“sea”) (Welsh môr) or maur (“great”) (Welsh mawr) + cant (“circle”) (Welsh cant), meaning “great chief” or “sea chief”.


Anna

From Latin Anna, from Ancient Greek Ἄννα (Ánna), from Biblical Hebrew חַנָּה (ḥannâ, literally “grace, gracious”).

der

חַנָּה חנה#Hebrew


Mari

a female given name, equivalent to English Mary

plant Mari

derogatory term for Roman Catholics or the Irish, "Mary's children"


Aran

a male given name transferred from the place name


Alec

a male given name from Ancient Greek Ἀλέξανδρος (Aléxandros)


Arial

a male given name from arial (“vigour”); variant form Ariel


Deiniol

a male given name, equivalent to English Daniel


Ariel

a male given name from arial (“vigour”), variant of Arial


Agnes

a female given name from Ancient Greek ἁγνός (hagnós, “pure”)


Hywel

→ English: Howell, Howel

→ English: Huell

→ English: Powell (< ap Hywel)

Equivalent to hy- (“good”) + gwêl (“sight”)

a male given name meaning eminent or conspicuous


Amos

עָמוֹס עמוס#Hebrew

a male given name from Hebrew עָמוֹס (“to carry a burden”), equivalent to English Amos


Aidan

a male given name from Old Irish áed (“fire”)


Gwen

From *windā 'white', feminine form of Proto-Celtic *windos. Cf. Welsh gwyn.

a female given name, the feminine form of Gwyn


Dafydd

English: Taffy

From Koine Greek Δαυίδ (Dauíd), Δαβίδ (Dabíd), from Biblical Hebrew דּוד (Dāwîḏ).

a male given name from Hebrew, the Welsh version of David


Gwynedd

From the name of the area of Wales, or perhaps from gwyn (“white, fair”).


Alwyn

From Old English Æþelwine, from æþel (“noble”) + wine (“friend”), or from al (“great”) + gwyn (“white, blessed”).

a male given name, feminine equivalent Alwen, Alwena, or Alwina.


Alban

a male given name from Old Irish Albu (“Scotland”)


Gwener

From Proto-Brythonic *gwener, from Latin Venus. Compare Breton Gwener, Cornish Gwener.


Iwan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”). Doublet of Ifan and Siôn.

a male given name from Hebrew, equivalent to English John


Angharad

From Proto-Celtic intensive prefix *an(a)- + root *kar-ayo- (“love”) + the noun suffix *-at.


Rhian

From rhiain (“maiden”), from Middle Welsh riein, first used in fiction.


Pedr

From Latin Petrus, from Ancient Greek Πέτρος (Pétros), from πέτρος (pétros, “stone, rock”), related to πέτρα (pétra).

a male given name, equivalent to English Peter


Gwyneira

From gwyn (“white, fair”) + eira (“snow”).


Siân

English: Sian

a female given name from Hebrew, equivalent to English Jane


Trefor

From Welsh tref (“village”) and mawr (“big, great”).

a male given name, equivalent to English Trevor


Siwan

a female given name, equivalent to English Joan


Bronwen

→ English: Bronwen, Bronwyn


Siôn

Borrowed from English John, from Late Latin Iōhannēs, from Koine Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yōḥānān). Doublet of Ifan and Iwan.


Gwyneth

From Gwynedd, an area of Wales, or perhaps from Welsh gwyn (“white; fair”).


Olwen

Univerbation of ôl (“footprint”) + gwen (“white, fair”).

univerbation

a female given name from Welsh legend, specifically The Mabinogion.


Gwendolen

From gwen (“white, fair, blessed”) + dolen (“ring, bow, hair, brow”).


Ioan

Borrowed from Late Latin Iōannēs, from Koine Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yōḥānān).


Gruffudd

→ English: Griffith, Griffin, Griffiths

From Middle Welsh Gripiud, from Proto-Brythonic *Grifujʉð.

a male given name from Old Welsh, borne by ancient kings of Wales


Gwenfrewi

A saint's name, from gwen (“white, fair, blessed”) + ffrwd (“brook, stream”).


Alana

a female given name, masculine equivalent Alan


Rhys

English surnames: Price, Reece, Rees, Reese, Rice

From Old Welsh Ris (“ardor, fiery warrior”), ultimately from Proto-Indo-European *Hreth₂- (“to run”). Related to modern rhysfa (“attack”), rhys (“war hammer”), though these could have originated from the name.

a male given name from Old Welsh used in Wales since the Middle Ages


Catrin

a female given name, equivalent to English Catherine


Ania

a female given name from Russian Аня (Anja), equivalent to English Anya


Aron

a male given name from Hebrew ʾAhărōn, equivalent to English Aaron


Angell

a unisex given name from angell (“arm, leg, limb”)


Andras

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Alwina

Alternative form of Alwena: a female given name, masculine equivalent Alwyn


Alys

From Old French Alys, Alice, from Old High German Adalheidis, from Proto-Germanic *aþalaz (“noble”) + *haiduz (“character”).

a female given name, equivalent to English Alice


Llywelyn

/ɬəu̯ˈɛlɨ̞n/

/ɬəu̯ˈeːlɪn/

Old Welsh name, from Proto-Brythonic *Lluɣβelen (compare Latinized Lugubelenus), from Proto-Celtic *Lugus + *Belinos, whose origin is disputed; see Belenus.


Owain

From Middle Welsh Owein, Ewein, from Old Welsh Ougein, Eugein, from Proto-Brythonic *Awɨɣėn. Cognate with Breton Yven, Ivin, Old Irish Úgaine, Augaine.

a male given name from Old Welsh, often anglicised as Owen


Myfanwy

→ Breton: Mevanwi

→ English: Myfanwy


Ariannin

yr Ariannin (canonical feminine)
Ariannin
Hariannin (prothesis-h)

From arian (“silver”) + -in, a calque of Spanish Argentina.

a female given name transferred from the place name


Huw

English: Huw


Dewi

An older variant of Dafydd. Cognate with English David.

Dewi Sant yw nawddsant Cymru.

Saint David is the patron saint of Wales.

a male given name from Old Welsh, equivalent to English David


Tegwen

From teg (“fair”) + gwen (“blessed”) in the 19th century.


Annes

One variant name of the daughter of Gruffudd ap Cynan.


Rhianwen

From rhiain wen (literally “fair maiden”).


Adda

אדום אדום#Hebrew

a male given name from Hebrew אדום (“red”), equivalent to English Adam


Rhiannon

From Middle Welsh Rhiannon, from riein (“maiden”) (modern rhiain), first used in fiction.


Arianrhod

From Middle Welsh Aryanrot, Aranrot (literally “silver wheel”), from ariant (“silver”), from Proto-Brythonic *arɣant + rot, rod (“wheel”), from *rrod (“wheel, chariot”).


Mair

a female given name, equivalent to English Mary

brithyll Mair

five-bearded rockling, Ciliata mustela (syn. Motella mustela)

cannwyll Fair

corpse-candle; marigold, Marybud, Calendula officinalis

cribau Mair

milk thistle, Mary thistle Silybum marianum

esgid Fair

lady’s slipper orchid (Cypripedium calceolus)

gwallt Mair

maidenhair fern (Adiantum capillus-veneris); maidenhair spleenwort (Asplenium trichomanes)

gwlydd Mair

scarlet pimpernel (Anagallis arvensis); burnet-saxifrage, (Pimpinella saxifraga)

gŵyl Fair y Gwirodau

a festival of the Virgin Mary at which much drink was consumed

llopan Fair

lady’s slipper orchid, Cypripedium calceolus

llysiau bronnau Mair

lesser celandine, Ficaria verna (syn. Ranunculus ficaria); lungwort, Pulmonaria officinalis

llysiau Mair

marigold, Calendula officinalis; bugle, Ajuga reptans

llysiau Mair Fadlen

costmary, Tanacetum balsamita (syn. Chrysanthemum balsamita); sweet maudlin, Achillea ageratum; wild carrot, Daucus carota

maip Mair

white bryony lady's seal, Bryonia dioica

menyg Mair

foxglove, Digitalis purpurea; mullein, Verbascum

mantell Fair

lady’s mantle, Alchemilla vulgaris; ground-ivy, Glechoma hederacea

mieri Mair

sweet briar (Rosa rubiginosa, syn. Rosa eglanteria)

mintys Mair

spearmint, Mentha spicata; costmary, Tanacetum balsamita syn. Chrysanthemum balsamita; possibly wild clary, Salvia verbenaca syn. Salvia horminoides

mwyar Mair

mulberries, Morus; dewberries, Rubus caesius

rhedyn Mair

lady ferns; male ferns; mountain ferns; lemon-scented ferns; polypody; sweet cicely

rhos Mair

rosemary (Salvia rosmarinus, syn. Rosmarinus officinalis); dog rose, Rosa canina

rhosyn Mair

rosemary (Salvia rosmarinus, syn. Rosmarinus officinalis); Damask rose, Rosa × damascena

tafol Mair

patience dock (Rumex patientia); bloody dock (Rumex sanguineus); clustered dock, Rumex conglomeratus; common sorrel (Rumex acetosa); bistort (Bistorta officinalis, syn. Persicaria bistorta)

ysgol Fair

Saint John’s wort (Hypericum perforatum)


Gwenhwyfar

From Middle Welsh Gwenhwyfar, from Old Welsh Guinhuimar, from Proto-Brythonic *Gwɨnnohuɨβar.

a female given name, equivalent to English Guinevere


Emrys

From Proto-Brythonic *Ėmrös, from Latin Ambrosius, from Ancient Greek ἀμβρόσιος (ambrósios, “immortal, divine”).

der

a male given name from Ancient Greek, equivalent to English Ambrose


Aman

a male given name transferred from the place name


Macsen

Latin Maximus, specifically from 4th-century Roman co-emperor Magnus Maximus (in Welsh known as Macsen Wledig.

a male given name, equivalent to English Maximus


Ieuan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”).

a male given name from Hebrew, equivalent to English John


Ifan

→ English: Evan

From Latin Iōannēs, from Ancient Greek Ἰωάννης (Iōánnēs), from Biblical Hebrew יוֹחָנָן (Yôḥānān, literally “God is gracious”). Doublet of Iwan and Siôn.


Jac

a male given name, equivalent to English Jack


Meddyf

Unknown, possibly either from medd (“mead”) + yf (“drinks”) or from medd (“power, authority”).


Rhun

From Middle Welsh Run, from Proto-Brythonic *rrʉn, Proto-Celtic *roinos (“route, road, landmark”) (compare Old Breton runt (“mound”), Old Irish roen (“road, path, plain”)).


Garanwyn

From Middle Welsh Garanwyn, from garan (“heron, crane”) + gwynn (“white”).


Arthwys

From Old Welsh Arthuis, from arth (“bear”) + *uis, from Proto-Brythonic *gwɨs, from Proto-Celtic *wissus (“knowledge”) (compare Old Irish fis, fius (“knowledge”)).


Frwdwr

From Middle Welsh Frwdwr, perhaps from Middle Welsh ffrwd, from Proto-Brythonic *frud, Proto-Celtic *srutom (“stream, current”) + Middle Welsh dwfr, dwr (“water”), from Proto-Brythonic *duβr, Proto-Celtic *dubros (“dark”).


Ystradwel

From Middle Welsh Ystradwel, from Old Welsh Stradwel, Stradwawl, possibly from Old Welsh strat (“valley”), from Proto-Brythonic *strad, Proto-Celtic *stratos + Old Welsh guaul (“rampart, boundary”), from Proto-Brythonic *gwọl, from Proto-Celtic *wālos (“hedge, enclosure”).


Gloyw

From gloyw (“bright, shining, sparkling”), from Middle Welsh gloyw, from Old Welsh gloiu, from Proto-Brythonic *gluɨw (compare Old Irish glé (“clear, evident”)). Possibly from short forms of given names containing gloyw (compare Old Cornish Gloiucen, Gloiumed).


Maelgwn

From Old Welsh *Mailgun, itself from *Maɨlgun.


Garmon

Name of a fourth century saint, Latin Germanus.


Teifi

Of Brythonic origin, probably from the same root as Tafwys and possibly also Thames. Also compare the names Tamar, Tavy, Towy, Teviot, Tweed, Taw, Tiverton.


Idris

→ English: Idris


Sioned

Borrowed from English Janet, from French Jeannette.

a female given name from Hebrew, equivalent to English Janet


Gwenllian

Attested at least as far back as c. 1100 (Gwenllian ferch Gruffydd, c. 1100–1136), ultimately derived from Proto-Celtic *windos (“white”) and *līnom (“flax”)


Nansi

a female given name, equivalent to English Nancy


Afan

a unisex given name from afon (“river”) or afan (“raspberries”)


Siani

a female given name, equivalent to English Jenny


Gwilym

From Anglo-Norman Willame, from Old High German Willahelm, from Proto-Germanic *Wiljahelmaz, from *wiljô (“will”) + *helmaz (“helmet”).

a male given name, equivalent to English William


Alun

a male given name, feminine equivalent Aluna


Arnall

a male given name, variant of Arnallt, equivalent to English Arnold


Aneurin

An alteration of Aneirin, the name of an early Medieval Brythonic war poet.


Padrig

From Middle Welsh Padric, from Latin Patricius.

a male given name from Latin, equivalent to English Patrick


Celyn

From celyn (“holly”); perhaps a semantic loan from English Holly.

a female given name, equivalent to English Holly


Aeron

a unisex given name from aer (“battle”) or aeron (“berries”)


Eleri

a male given name from Latin, equivalent to English Hilary


Eirwen

From eira (“snow”) + gwen (“white, fair; blessed”).


Euryn

From aur (“gold”) + -yn meaning "golden one".


Eurwen

From aur (“gold”) + gwen (“white, fair; blessed”).


Eirwyn

From eira (“snow”) + gwyn (“white, fair; blessed”).


Eurwyn

From aur (“gold”) + gwyn (“white, fair; blessed”).


Anian

cy:Anian I, Esgob Bangor
en:Anian (bishop of Bangor)


Anes

One variant name of the daughter of Gruffudd ap Cynan.


Addien

a female given name meaning “fine” or “fair”


Aelwyn

a male given name from ael (“brow”) or gwyn (“fair, white”), feminine equivalent Aelwen


Aelwen

a female given name from ael (“brow”) or gwen (“fair, white”), masculine equivalent Aelwyn


Adwen

a female given name from Middle Welsh gwen (“white”); variant form Athwenna


Aeddan

a male given name from Old Irish áed (“fire”), equivalent to English Aidan, Irish Áedan or Aodhán, or Latin Aidanus


Agnest

a female given name from Ancient Greek ἁγνός (hagnós, “pure”)


Aldwyn

a male given name from Old English Ealdwine (“old friend”)


Alaw

a unisex given name from alaw (“melody”) or alaw (“water lily”) or transferred from the place name


Alwen

Alternative form of Alwena: a female given name, masculine equivalent Alwyn


Alcwyn

From Latin Alcuinus, from Old English Ealhwine.

a male given name from Latin Alcuinus [in turn from Old English Ealhwine]


Aldwyth

From Old English eald (“old”) + gūþ (“battle”)


Aluna

a female given name, masculine equivalent Alun


Alwena

a female given name, masculine equivalent Alwyn


Alltwen

From allt (“wooded hillside”) + wen (“white, blessed”)

compound

a female given name transferred from the place name


Amranwen

From amrant (“an eyelid”) + gwen (“white”)


Androw

a male given name from Ancient Greek Ἀνδρέᾱς (Andréās), equivalent to English Andrew


Aneirwen

From an + eira (“snow”) + gwen (“white”)


Caradog

From Middle Welsh Caratawc, from Proto-Brythonic *Karadọg, from Proto-Celtic *Karatākos.


Dyfnwal

From Middle Welsh Dyfynwal, from Old Welsh Dumnagual, from Proto-Brythonic *Duβnowal, from Proto-Celtic *Dubnowalos, from *dubnos (“world”) + *walos (“prince, chief”). Cognate with Breton Dunvel, via Old Irish Domnall with Irish Dónall, Scottish Gaelic Dòmhnall, and Old English Dufenal, and via Medieval Latin Dubnovaldus with English Donald and Faroese Dunaldur.

a male given name, equivalent to English Donald


Anhun

a female given name from Latin Antōnius, equivalent to English Anthony


Annun

a male given name from Latin Antōnius, equivalent to English Antony


Annwyl

From an- (intensive prefix) + gŵyl (“mild, gentle, graceful; bashful, modest”).

af

a female given name from annwyl (“dear”)


Antur

a male given name from antur (“adventure”)


Siôr

a male given name, equivalent to English George


Cadfael

Cadfael
Gadfael (soft)
Nghadfael
Chadfael


Arddun

a female given name from arddun (“beautiful”)


Arawn

From Middle Welsh Arawn, from Old Welsh Araun, from Proto-Brythonic *Arọn, from Latin Aarōn, from Hebrew אהרן (“Aaron”).


Arfon

a male given name, feminine equivalent Arfona or Arfonia


Arfonia

a female given name, masculine equivalent Arfon


Arfor

a male given name transferred from the place name


Ariannell

a female given name from arian (“silver”)


Arianina

a female given name transferred from the place name, variant of Ariannin


Arnallt

a male given name, equivalent to English Arnold; variant form Arnall


Arianwyn

From arian (“silver”) + gwyn (“blessed”).


Arwenna

From ar- (intensifying prefix) + gwen (“blessed”).


Arwen

a female given name, masculine equivalent Arwyn; variant form Arwenna


Arianwen

From arian (“silver”) + gwen (“blessed”).


Arwyn

From ar- (intensifying prefix) + gwyn (“blessed”).

a male given name, feminine equivalent Arwen


Asaff

a male given name, variant of Asa, equivalent to English Asaph


Aurddolen

/aɨ̯rˈðɔlɛn/


Cystennin

Cystennin
Gystennin (soft)
Nghystennin
Chystennin

a male given name from Latin, equivalent to English Constantine


Cristoffer

Borrowed from Ancient Greek Χριστόφορος (Khristóphoros).

bor+

a male given name from Ancient Greek, the Welsh version of Christopher


Alecsander

Borrowed from Latin Alexander from Ancient Greek Ἀλέξανδρος (Aléxandros).

a male given name from Ancient Greek, the Welsh version of Alexander