Type Surname (from given name)
Usage Irish (Rare)
Meaning & History
Anglicized form of either Ó Sírín or Ó Síoráin meaning "descendant of Sírín" and "descendant of Síoráin" respectively. Sírín and Síoráin are variants of the same name, both are derived from a diminutive of síor meaning "long-lasting".