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Welsh Names that Start With O

Updated October 2026

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About this list

There are 6 Welsh names that start with the letter O for boys and girls, including Owen, Owen, Owain, Olwen, Olwyn, and Olwynne.

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Welsh Names Welsh Names for Girls Welsh Names for Boys Names That Start With O

The names

Showing 1–6 of 6

Owen
Welsh
"young warrior; well-born"
Owen, a resonant Celtic name, has ranked among the Top 100 boys' names in the US for 20 years and is now trending ever-so-slightly downhill, good news for Owen-lovers who might rightly have feared…
Owen
Welsh
"young warrior; well-born"
Ever since singer Michelle Branch gave it to her daughter in 2005, Owen has started to be used for a small number of girls each year as well. Just 39 baby girls received the name in 2021, compared…
Owain
Welsh variation of Eugene or Celtic "well-born; born of sheep"
"well-born; born of sheep"
Owain is much more unusual than its brother name Owen, and feels a little more rugged, a little more adventurous and ancient. Possibly an Old Welsh form of the Latin Eugenius, or, deriving from other…
Olwen
Welsh
"white footprint"
Olwen is a Welsh favorite, the name of a legendary princess in what is believed to have been the earliest Arthurian romance, and in fact one of the first recorded examples of Welsh prose. In this…
Olwyn
Welsh
"white footprint"
Olwyn is a popular Welsh name that might be an alternative to the more familiar Bronwen or Rhonwen -- though in Wales the female form is usually spelled -wen and the male one -wyn.
Olwynne
Elaborate form of Olwen, Welsh
"white footpint"
A spelling variation of the Welsh Olwen, this form my lend itself to nickname Wynne or Winnie over Ollie. Meaning "white footprint", the more traditional Olwen appears in Welsh mythology, in which…

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