Is this your Thomas ?? Not married to an Elizabeth, but I guess she may have died by 1880....

1880 USA census
Name: Thomas Wilce
Age: 50
Estimated birth year: 1830
Birthplace: England
Occupation: Butcher
Relationship to head-of-household: Self
Home in 1880: Heppner, Umatilla, Oregon
Marital status: Married
Race: White
Gender: Male
Spouse's name: Annie Wilce
and 15 yr old son Richard Wilce

1900 USA ensus
Name: Thomas Wilce
Home in 1900: Cheney, Spokane, Washington
Age: 70
Estimated birth year: Oct 1829
Birthplace: England
Race: White
Relationship to head-of-house: Head
Occupation:retired Butcher
Immigration year: 1851
Wife Annie

1910
Thomas Wilce E Cheney Pct, Spokane, WA abt 1829 White Male