No info on Cornelius except that he was born in Ireland and died in Massachusetts, but Johanna was born about 1845 in Ireland and died 29 Apr 1906 in Lynn, Massachusetts. So far I've got 3 kids for them:
I'm searchig for info on Ellen Healy from Tralee or Lixnaw Ireland, she was born 1861, her father's name was James who worked in Lixnaw. She moved to England at sometime and married Richard O'Brien and started to have children around 1880. She lived the rest of her life in Whittington, Staffordshire, England. Her 2 daughter moved to Us, first to connecticut and then to buffalo, NY. Her daughter Catherine married Ernest Lates.