The name Riordan is of Irish origin, derived from the Gaelic surname "Ó RÃordáin." It means "descendant of RÃordán," where RÃordán is believed to be a personal name composed of "rÃ" (king) and "ordán" (little lord). This name has been significant in Irish history and culture, often associated with nobility and leadership. The use of the name has remained relatively consistent over time, reflecting its strong cultural roots and historical significance.
