Cornelius O'Brien
b. circa 1857
- Father: Michael O'Brien b. circa 1810
- Mother: Margaret (?) b. circa 1820
- Cornelius O'Brien was born circa 1857 in New York.
- Michael O'Brien and Margaret (?), appeared in the US federal census of 1 June 1870 in Buffalo, Erie County, New York. Other members of the household included Cornelius O'Brien, Johanna O'Brien, John O'Brien, Jeremiah O'Brien, Julia O'Brien and Mary Ann O'Brien.
- He was a laborer, according to the 1870 census.
- Last Edited: 26 Jan 2006