Hi,
Thomas appears as single on the 1901 census for Pincher Creek Alberta.
1901 Census of Canada
Subdistrict: Pincher Creek, ALBERTA, THE TERRITORIES
District Number: 202
Subdistrict Number: m(3)
Archives Microfilm: T-6551
Page 12, Line 17, household 133, Craig Thomas, Male, Head, Single, born Dec 25 1865, age last birthday 35.
Hope this helps
Sue