John and Elizabeth Oconnor from Ireland to US. came with 3 daughters named Elizabeth, Ellen and Mary to phila pa. arrived aprox 1853-1855. first child born in states was Richard born in 1855 in phila. next was william born 1858 in phila. Daughters worked at cotton mill in phila according to 1870 census. Son William Henry Connor(he dropped the "O" )married Mary Clara Hallowell whose parents were William Talmage Hallowell and Mary Clara Morton of Phila pa. any leads would be fantastic as I have no knowledge of what happened to any of the other children.