Allison's name is spelled Haws on his birth certificate #035518. On his marriage certificate #204994-01, it is spelled Haws.   On his wife Sarah's tomb stone, it is spelled Hawes.

Ontario, Canada Births, 1869-1907 Record info about Allison Haws
Name: Allison Haws Date of Birth: 15 Jul 1876 Gender: Male Birth County: Wellington Father's Name: Horace Haws Mother's Name: Ann Redman Roll Number: MS929_26  #035518

In the 1901 census it gives his date of birth as July 11, 1876.
1901 Census of Canada Page Information District: ON WELLINGTON (Centre) (#124) Subdistrict: Garafraxa (East/Est) D-2 Page 6 family #57
Hawes Allison M Head M Jul 11 1876 24 
Hawes Sarah E F Wife M Jan 13 1875 26

I cannot find Allison on the 1911 census documents.