Male John Hamilton O'Callaghan Click to view John Hamilton O'Callaghan in the family tree Click to view John Hamilton O'Callaghan in the family tree in SVG format


Family Click here for details of John's family with Clare Theresa Harris


This page is within a frameset. View the entire genealogy report of O'Callaghan families, or surname index of O'Callaghan pedigrees or report summary of O'Callaghan heritage from "Potaski McDonald Family Tree".
Genogram Assessment and Intervention.


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