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O’Callaghan
Robert E. Matheson
Varieties and Synonymes of Surnames and Christian Names in Ireland
1901
Alphabetical List of Surnames
1643
O’Callaghan
[Callaghan].
390
.
O’Callahan.
O'Carthy »
« O'Brien
Memorandum explanatory of Alphabetical List
Index to Alphabetical List of Surnames
Book Contents
Other resources for names in Ireland