This was who my Great-great-grandfather, John N. Powers (1834-1925) was living with before his 1855 marriage to Mary Agnes Kennedy.
1851 Ontario Census
Powers, John N., b. Can, rel. Church of England, 17 years, single
" ", William G. " " 13 years
" ", Margaret C. " " 10 years
Also in Grimsby and nearby were the parents, although not listed together:
Powers, Michael, farmer, b. Ireland, rel. Church of England, 50 yrs, m'd
" , Mary " "' 39 yrs, m'd
The family lived in Grimsby Twp. area of Lincoln County, Ontario [then Canada West], Canada.