Elly Hill <ellyhill@iinet.net.au> wrote: : mother's family name..was it Callahan or O'Callaghan from Cork..my family : history is O'Callaghan from Cork too..although when I went there and started : researching I found O'Callaghan almost as prolific as Smith !!..good luck : with your research...Elly in Oz. I believe Callahan and O'Callaghan are the same name, just variant spellings. Be thankful it's not Murphy, Kelly, or [O']Sullivan, the three most common Irish surnames (in that order). -dja