Ó Dorcháin
Ó DORCHÁIN—I—O Dorchane, Dorgan, Dorrigan, (?) Doorigan; 'descendant of Dorchán' (diminutive of Dorchaidhe); a rare surname in Cork and Kerry; probably the same as Ó Dorchaidhe, which see.
Alphabetical Index to Irish Surnames
Ó DORCHÁIN—I—O Dorchane, Dorgan, Dorrigan, (?) Doorigan; 'descendant of Dorchán' (diminutive of Dorchaidhe); a rare surname in Cork and Kerry; probably the same as Ó Dorchaidhe, which see.
Alphabetical Index to Irish Surnames