Ó Súileabháin is an Irish surname that translates to "descendant of Súileabhán," with Súileabhán being a personal name derived from the Gaelic elements meaning "sight" or "vision." This surname is primarily associated with families from the province of Munster in Ireland, particularly in County Kerry. The Ó Súileabháin family has historical significance in Irish culture, often linked to the Gaelic nobility. Members of this family have contributed to various fields, including literature and music, helping to preserve the rich traditions of Irish heritage.