Cornelius was born in 1775. He was the son of Cornelius O'Callaghan and Frances Ponsonby. He passed away in 1857.
https://en.wikipedia.org/wiki/Cornelius_O%27Callaghan,_1st_Viscount_Lismore
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.
Featured National Park champion connections: Cornelius is 14 degrees from Theodore Roosevelt, 17 degrees from Stephanus Johannes Paulus Kruger, 16 degrees from George Catlin, 17 degrees from Marjory Douglas, 22 degrees from Sueko Embrey, 15 degrees from George Grinnell, 19 degrees from Anton Kröller, 17 degrees from Stephen Mather, 18 degrees from Kara McKean, 19 degrees from John Muir, 8 degrees from Victoria Hanover and 24 degrees from Charles Young on our single family tree. Login to find your connection.
O > O'Callaghan > Cornelius O'Callaghan
Categories: Notables