1871 personal census, London Twp, Middlesex Co., ON, image from Library and Archives Canada:
O'Neill Henry, M, 47, Ont, N C Meth, Irish, Farmer, Married;
O'Neill Betsy, F, 42, Ont, N C Meth, Irish, Married;
O'Neill Darius, M, 22, Ont, N C Meth, Irish, Merchant;
O'Neill William, M, 21, Ont, N C Meth, Irish, Farmer;
O'Neill Wellington, M, 16, Ont, N C Meth, Irish, going to school;
O'Neill Louisa, F, 12, Ont, N C Meth, Irish, going to school;
O'Neill Mahala, F, 9, Ont, N C Meth, Irish, going to school;
Logan Ellen, F, 24, Ont, C England, Irish;
Quinn John, M, 33, Ireland, Meth, Irish, Labour.