Hello KM Bochenek
I also have these family names. I am sure that your John O'Connor is the brother of my Thomas who married Elizabeth Teahan 1 Feb 1842 .According to what I have she was also from Ballyfinnane
Now I did have this family on the KIltallagh page but some how my other family the Fawkner's from Balbriggan Co Dublin and now in their place
So I have tried to find a way to answer you hope this works email me reachpatricia@optusnet.com.au
Trish Jensen in Australia
Welcome to Ireland Reaching Out!
Have you learned any more about the above?
Best wishes
Clare Doyle
Genealogy Support