Jane beloved wife of Thomas Oxborrow died Nov 12, 1890 age 83 years, 9 mos and 16 days.
so then I had to do some digging
didnt find Jane in 1881census but...
Federal Census of 1871 (Ontario Index)
OXBORROW, JANE Stray: Individual bears a different surname than the head of the family Sex: Female Age: 62 Place of Birth: ENGLAND Religion: Church of England, Anglican Origin: ENGLISH District: OXFORD NORTH (014) Sub-district: Zorra East (D) Division: 1P age: 70 Microfilm reel number: C-9912 Reference: RG31 — Statistics Canada