↑ Vaughan, York County, Canada West, in United Province of Canada. 1851 Census of Canada. (Ottawa, Ontario, Canada: Library and Archives Canada) C-11759, District 42, SubDistrict 401, p 53, line 35.
Keffer, Susan, 16, f, s, Canada, Lutheran, servant with family of John Bliwat
This entry is on the page following that for her assumed mother (also named Susan, but now married to Hugh Mathewson) and immediately preceding another Keffer family.