Irelynn is an uncommon yet attractive feminine name of Irish origin, derived from the surname 'O'Reilly', meaning 'descendant of Raghallach', a medieval County Cork chief. Despite lacking a specific meaning, it's often associated with Irish heritage and interpreted as having meanings like 'eagle power' or 'valorous'. Pronounced /iːrəlɪn/, it's an appealing choice for parents seeking a distinctive name with Irish roots.