1851 census Ontario, Ontario co., Whitby township (244) page 45 line 8; film C11742

BOWLES John m 45 Ire CofE farmer married
BOWLES {?} Elisabeth f 42 Ire CofE married
BOWLES William m 18 Ont CofE labourer
BOWLES Mary f 16 Ont CofE
BOWLES Ellen f 14 Ont CofE
BOWLES Sarah f 13 Ont CofE
BOWLES John m 10 Ont CofE

1851 agricultural census Ontario, Ontario co., Whitby township (244) page 149 line 3; film C11742 

BOWLES John concession 5 lot 17 acres 112