Celtic

This undiscovered unisex name has lots of flair. It was first noticed as a girl's name, starting in the 1980's, on the long-running daytime drama Search for Tomorrow, with the character Adair McCleary, who had ahead-of-their-time brothers named brothers Hogan, Cagney and Quinn. But since Adair has yet to find many takers, it would make a fresh and appealing choice.

More commonly seen here as Anya, this traditional yet unique Irish name belonged to the queen of the Munster fairies and is sprinkled throughout Irish folklore as an early Celtic goddess of summer and prosperity. One of the most popular baby names in Ireland, Aine's spelling and pronunciation might seem simple but could prove confusing in the U.S.

Aoife, pronounced EE-fa, is derived from the Irish word aoibh, meaning "beauty." Aoife was borne by several different heroines of ancient Irish legend. In one tale, she was the fiercest woman warrior in the world and enemy of her twin sister, Scathach.

Rarely heard outside of Wales, Arianwen is one of many pretty wen-ending names prominent in ancient Welsh legend.

Best known as the princess of the Elves in Tolkien's Lord of the Rings, Arwen is a fantasy-inspired choice that feels perfectly down to earth. In 2022, it entered the UK Top 400, making it one of the fastest rising names, more than doubling in use from the previous year.

An unusual floral -wen name which was the name of an 1878 opera by Welsh composer Joseph Parry.

Bonnie is an adorable nickname name, heading back up the popularity list after a 50-year nap. A Top 100 girls' name throughout the rest of the English-speaking world, Americans are later to jump on the Bonnie bandwagon but now it's trending here too.

According to Irish legend, Saint Brendan the Voyager was the first European to touch American soil, and his name has been established here for decades, peaking in the late 1990s.

Unusual floral name which would be perfect for a spring baby girl, if you can pronounce the Welsh double L correctly. It's a tricky sound for non-native Welsh speakers, kind of halfway between an H and an L.

Brigid is the simpler Irish version of the name of the goddess of fire, which may also be spelled Brighid. Other variations include Bridget, the most usual spelling in the U.S., and the French Brigitte.

An ancient Celtic name worn by one of the Knights of the Round Table, as well as a semi-legendary Welsh King.

Celyn, which starts with the hard K sound and rhymes with Helen, is a Top 100 name in Wales although largely unknown outside that tiny, beautiful country. It is usually a masculine name.

Celtic goddess of poetry, though less-than-poetic name.

Extremely popular in Ireland, Ciaran is also well used in England and is beginning to be adopted by parents in the U.S., though usually via the more American-friendly Kieran spelling. The Irish spelling is, however, becoming more familiar on this side of the Atlantic, due to the rising popularity of Belfast-born actor Ciaran Hinds.

A popular choice in Ireland, Clodagh was the name of a river and later a saint. The "cloddy" aspect of the name has prevented it from spreading beyond Ireland, but that could change. Famous namesakes are singer Clodagh Rodgers and chef Clodagh McKenna.

Midcentury Irish-American favorite, never used in Ireland itself, being the generic word for "girl"; rarely given today.

Both offbeat and upbeat, this evocative traditional Irish name that runs through Celtic mythology is known here via award-winning novelist Cormac McCarthy (born Charles). The author's adopted name is related to Cormac Mac Airt, one of the great legendary high kings of Ireland.

Long popular in Scotland, this attractive name is strictly-speaking the Gaelic version of Eleanor, but is also often considered part of the Helen family of names. After the Normans introduced it into the British Isles, it was transformed into Aileen or Evelyn. It has rarely been heard in the US, but it is slowly starting to be used here too.

This Welsh nature name that can be pronounced exactly like the male Ira. Or, to avoid confusion, you could just name her Snow.