Irish names from the past Here is a comprehensive list of Irish names. These are saints' names as well as historical and mythological names. Names vary in dialects, thus approximate pronunciations are provided. List of Irish names: Mo Chulainn (Mo Culainn), Ciarán of Clonfert (Seán Ó Cearnais), Diarmuid Duibhne (Diarmaid Dún Bhearna), Fionnghall (Finn MacCool), Gearóid mac Máele Tuile (Gearoid Mac Muilte). The oldest known name on record in Ireland is Caradoc, which appears in an inscription on a stone dated to about AD 300. The name itself is Welsh and means "brightness" or "glory". It was probably applied to this young man by his parents who were not Irish but came from South Wales. Later names include: Conlaethre (Conlae), Eochu (Eoghan), Ibor (Iber), Lorcán (Lorcan), Maedoc (Maedhoc), Medb (Medbh), Nemann (Nemhan), Scothi (Scathach). These are just the most famous people with Irish names.