Welsh Names

Welsh descends from the Brittonic spoken across Britain before English arrived, which makes these the oldest native names on the island. Several reached the wider world through Arthurian romance rather than through Wales, arriving in English already reshaped by French storytellers.

Languages behind these names Welsh Greek

Rankings for

15 names, uncommon — 100 to 499 a year, in the United States

Very Rare Rare Uncommon

Girls Boys Unisex

Trevor Trevor is a Welsh place name meaning big settlement, and the first element is the tre that begins a great many Cornish and Welsh place names — Tregaron, Trelawney, Treharris and several hundred others besides.
Boy Welsh 400 in 2025
Idris Idris is a name with two entirely separate origins. In Welsh it means "ardent lord," from a legendary giant; in Arabic it names a prophet and is usually read as "studious" — and the two are unrelated.
Boy Welsh 397 in 2025
Marvin Marvin is a boy's name from the Welsh Merfyn, and the sea friend reading usually given for it is not supported — the Welsh elements point to marrow and eminent instead.
Boy Welsh 385 in 2025
Megan Megan is a girl's name, the Welsh pet form of Margaret, from a Greek word for pearl that reached Europe from Persian.
Girl Welsh 301 in 2025
Winifred Winifred is two names that English collapsed into one — the Welsh Gwenfrewi and the Anglo-Saxon Winfrid, unrelated in every element, and birth records mark the result reviving with England setting its peak this year.
Girl Welsh 284 in 2025
Moriah Peaked in 1992 · 14,159 births since 1968
Girl Welsh 221 in 2025
Rhiannon Rhiannon is a Welsh girl's name meaning "great queen," from the Celtic Rigantona.
Girl Welsh 210 in 2025
Vaughn Peaked in 1949 · 23,559 births since 1881
Boy Welsh 204 in 2025
Merrick Peaked in 2017 · 7,058 births since 1905
Boy Welsh 191 in 2025
Emrys Peaked in 2024 · 4,235 births since 1997
Boy Welsh 188 in 2025
Lloyd Lloyd is a boy's name from the Welsh word for gray, and the double L is a genuine Welsh consonant that English has no letter for.
Boy Welsh 111 in 2025
Gwyneth Peaked in 2013 · 7,448 births since 1915
Girl Welsh 114 in 2025
Meghan Meghan means pearl, through Megan and Margaret, and the h is an American addition — Welsh spells it Megan, and the extra letter appeared in twentieth-century American use with no basis in the original.
Girl Welsh 102 in 2025
Bryn Peaked in 2011 · 11,627 births since 1947
Unisex Welsh 106 in 2025
Tegan Peaked in 2011 · 18,505 births since 1957
Unisex Welsh 127 in 2025

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