Meaning A boy's name of Gaelic origin, it means "Small Blond Soldier." Origin of Fionnlaoch Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Fionnlaoch Similar Names Laoghaire Fyrsil Balfore Buadhachan Cathaoirmore Gaylen Glendale Mac Ghille Aindrei Frannsaidh Ferehar Year by Year Popularity of Fionnlaoch