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Type Surname (from given name)
Other Forms FormsÓ Rónáin (Irish Gaelic); Ronane, Ronayne, O'Ronayne, O'Ronan, Roonane, O'Roonane, Roonan, O'Roonan
shortened Anglicized form of Gaelic
Ó Rónáin "descendant of
Rónán" a personal name apparently based on a diminutive of
rón "seal".