O'Murphy is a surname of Irish origin, commonly associated with families from Ireland. The name is derived from the Gaelic "Ó Murchadha," which means "descendant of Murchadh," a personal name that translates to "sea warrior." O'Murphy is prevalent in various regions of Ireland, particularly in County Kerry and County Cork. The O'Murphy family has a rich history, often linked to the Gaelic nobility. Many individuals with this surname have made significant contributions in various fields, including literature, politics, and sports. The name continues to be recognized in modern times, with many people of Irish descent carrying it around the world.