This phonetic Anglicization of the Irish name Eithne was made familiar by the single-named Irish singer and composer. St. Eithne was the daughter of a king and an early Irish convert to Christianity.

Aidan was originally a pet form of the Irish name Aodh (pronounced 'ee'), the name of the old Celtic god of the sun and fire. The name was borne by numerous early Irish saints, one of whom was noted for his kindness and generosity.

Sunniva was an Irish-born saint who fled to Norway, where she hid in an island cave with her followers and eventually died. After miracles were reported on the island, the cave was excavated and Sunniva's intact body was found. Sunniva is the patron saint of Western Norway. Her name would make a fascinating and unusual choice for a modern baby girl, and if her story is a bit grim, you can take refuge in the upbeat nickname Sunny or Sunni.

Inigo, almost unknown in the U.S., is an intriguing choice, with its strong beat, creative and evocative sound, and associations with the great early British architect and stage designer Inigo Jones. The sixteenth-seventeenth century Jones shared his name with his father, a London clockmaker, who received it when Spanish names for boys were fashionable in England, especially among devout Roman Catholics.

Flint is one of the new macho names on the rise today, part old-school tough guy, part rebel. You won't find a tougher, steelier-sounding name; it's part of a genre on the rise along with cousins Slate, Stone and Steel.

Cyra is an unusual name that can be pronounced either SEER-a or SI-ra, rhyming with Keira or Tyra. This name may be a feminine variation of Cyrus but is also a Persian name that stands on its own. One noted bearer is writer Cyra McFadden.

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.

Though it sounds like a modern invention, Kiran is a traditional Hindu name from India; chosen for her son by actress Kelli Williams. Author Kiran Desai is a woman and this name, which bears a resemblance to both the Irish (male) Kieran and the fifties favorite Karen, certainly works as well for a girl.

A newly successful name for girls, which, like Brayden and Caden, used to be strictly for the boys. Young Heroes and now Nashville star Hayden Panettiere planted it in the girls' camp.

Fintan is an ancient Irish saints' name that in legend is also the name of the only person to survive The Flood. Popular in modern Ireland, Fintan is ripe for export to the US where it is rarely used but could make an excellent long form for the stylish Finn.

One of many Irish and Scottish surnames starting with Mac and Mc that also feel usable as given names, McCoy has a jaunty and energetic sound. The name entered the US Top 1000 in 2020, and was given to around 220 boys in the US in a recent year, along with 6 girls.

Ignacio, like Horacio, makes its gray-bearded English equivalent name sound positively dashing. While the Ig- beginning summons up such associations as ignoble and ignorant, the era for Ignacio and Ignatius and Iggy may be nigh.

Said to be the name of the most learned man in ancient Wales, in this country it would be open to mispronunciation, making it rhyme with Julien.

Finlo is a name from the Isle of Man, deriving from that island's pagan sun god, Lugh. Given the popularity of all Finn names right now, Finlo could be a great alternative for people who love the "Fin" sound but want a more unusual name.

Keegan is one of a clan of spirited Irish surnames starting with K and ending with 'n'--this one with the cheery double 'e' in the middle-- that are appealing to an increasing number of parents. It derives from Mac Aodhagáin, meaning "son (or descendant) of Aodhagán," a diminutive of the Irish name Aodh--pronounced Aye.

One of several blunt B names just this side of the gender divide. While its short and to-the-point sound may feel modern, it has been declining steadily since the 1980s.

This name of a third-century Christian martyr has an romantic, appealing feel in the modern world. It first came to American attention via Prince's love interest in the film Purple Rain. It could make an unexpected route to sweet nickname Polly — or perhaps to the quirky apple!

A surprisingly modern word name, only recorded since the 20th century, Solaris is also the title of a 1961 science fiction novel by Polish author Stanisław Lem, which has been adapted for the big screen several times. An unexpected route to cool-guy nickname Sol.