Irish Names for Children Irish Names for Girls and Boys. Popular and Unique Irish Names with their Gaelic meaning and origins. The definitive collection of Popular and Unique Irish Baby Names. This book provides a list of Irish names for boys and girls taken from the great store of more than 2,000 years of Christian and pre-Christian Ireland. Explanations are provided for the Gaelic names and biographies are included for saints' names. The author outlines interesting facts about the popularity, regional preferences and alternative forms of the names included in this collection.