There are two Thomas Fosters born a year apart at Pendleton one in Mar 1877 and the other in 1878. I am going to guess the 1877 one.
If so then in the 1901 census at 3 Union St Pendleton
Thomas Foster H M 24 Coal hewer b Pendleton
Mary Wf 25 b Staleybridge Lancs
Charles S 1 b Pendleton