Consider well-known boy names that are popular in Ireland. These Irish baby boy names keep ranking high for boys in the Emerald Isle. Many of them represent simpler spellings than earlier, more traditional versions of the name. Included among them is Aidan, which is popular both in Ireland, the UK, and the U.S. (where the version spelled Aiden prevails). Others have meanings that vary from “noble” and “king” to ones referring to having dark or brown hair vs. red hair. Aidan - Comes from the Gaelic “Aodhán,” and means “little fire.” Pronounced “AEHY-Dahn.” Brian - Means “high” or “noble” in Irish; the spelling Bryan is more popular in the U.S. Brendan - Means “prince” or “king,” and originally referred to a chieftain. Barry - One of many Irish baby boy names meaning “fair-haired.” Cormac - From the Gaelic “corb-ma”; means “son of the charioteer.” Declan - Means “man of prayer” and “full of goodness”; dates back to 5th-century Ireland. Donnacha - Made up of “donn,” meaning “brown-haired,” and “chadh,” meaning “chief” or “noble.” Éamonn - Means “wealthy protector” as the Irish equivalent of Edmund. Fintan - From the Celtic “Fiontan”; means “little fair one” or “white fire.” Iain - One