Female and male first names : Ireland.

Kaiyir is a rare, intriguing boy's name of unknown Scottish or Irish origin, possibly meaning 'seaside' or 'from the sea', but these meanings are not widely accepted.

Kaleigh is a charming Irish female given name that emerged as a variant of Cailleach, originally meaning "old woman" or "hag," but now associated with wise Celtic mythical figures like the Cailleach Bhéarra.

Kaley is an Irish girl's name derived from the Gaelic Caoilfhionn, meaning 'fair-haired', inspired by Irish mythology.

Kallahan is an uncommon first name of unknown origin and meaning, first appearing in records during the mid-20th century and believed to have been coined due to its unique sound. Some speculate it may be derived from the Irish surname Callaghan, meaning 'fiery' or 'bright-headed,' but there's no concrete evidence supporting this claim.

Kamaren is an uncommon yet captivating Irish name derived from the ancient Gaelic name Cama, originally meaning "crooked" but interpreted today as "free-spirited" or "unconventional," reflecting the independent and creative nature of those who bear it.

Kamrynn is a modern female given name of recent origin, believed to be created in the late 20th or early 21st century. Its meaning is not universally agreed upon, but it may be associated with the Irish name Caitlin meaning "pure" or related to the English name Cameron of Scottish origin meaning "crooked nose". Despite its uncertain beginnings, Kamrynn has gained popularity in recent years due to its modern sound and flexible spelling, offering parents a distinctive yet recognizable option for their daughter's name.

Kane is an English masculine given name of Irish origin, derived from the surname Ó Cáin which means "warm" and was associated with kindness or pleasantness.

Kara is an Irish name meaning "friend" or "loved".

Karen is an English feminine given name that means "pure" or "clear".

Karrol is a rare Scottish given name derived from the surname Carruthers, which means "son of Carragh." It originated in Scotland and was likely brought to England during periods of Scottish influence on English culture.

The name Carroll, of English origin meaning "strong as a stag", is derived from Old English words "car" meaning "freeholder" or "strong", and "leah" meaning "woodland clearing". It was originally associated with an estate in Ireland owned by the powerful Norman family, the Carolls, before becoming widely used and popularized by the famous author Lewis Carroll.

Kasein is an uncommon, gender-neutral name of uncertain origin, possibly derived from Casey, meaning "vigilant".

Kashen is an uncommon Irish name derived from Caochán, meaning "little bald one," originally associated with children born without hair.

Kashtynn is an unusual Irish name derived from Ó Cassidy, possibly meaning "curly-haired," and has gained global popularity despite varying etymologies and interpretations.

Kassidy is an Irish origin name meaning "from Cassio's estate," derived from the surname Cassidy/Cashman, with Kassidy being a feminine form popularized in the mid-20th century.