Irish boy names have been growing in popularity in the U.S. in recent years, with Liam reaching Number 1 and all the different spellings of Aiden climbing to the top of the list. Along with Liam and Aiden, other Irish baby names on the US Top 1000 for boys include Finn, Declan, Connor, and Brody. In Ireland, top Irish boy names include Conor, Fionn, Oisin, and Cillian. Unique Irish names for boys attracting attention include Cashel, Cormac, and Rafferty.While Irish names have become more popular for both genders, we see the style factor on the rise particularly in Irish boys' names unheard of here a generation ago, such as Declan and Finn. You also might want to check out our list of Irish girl names. The Irish boy names on this list are ordered according to their current popularity on our website. Or get an overview of the full list in alphabetical order by clicking All.