John is listed as 30 years of age on the marriage certificate, this is not the same age as on the census.  Mary is listed as 26.  The witnesses were Robt Nodwell of Hillsburg and Wm Nodwell of Erin Township.  She was of the Baptist faith while he was Presbyterian.  The marriage was performed by J. J. Elliot.

Ontario, Canada Marriages, 1857-1922 Record info about John Dolmer
Name: John Dolmer Birth Place: County Hastings Ont Age:33 Father Name: John Dolmer Mother Name: Mary Dolmer Estimated Birth Year: abt 1858 Spouse Name: Letitia Mary Nodwell Spouse's Age: 26 Spouse Birth Place: Hillsburg Spouse Father Name: Robert Nodwell Spouse Mother Name : Elira Nodwell Marriage Date: 28 Oct 1891 Marriage Place: Wellington Marriage County: Wellington

Ontario, Canada Marriages, 1857-1922 Record info about John Dolmer
Name: John Dolmer Spouse Name: Letitia M. Nodwell Marriage Date: 28 Oct 1891 Marriage Place: Hillsburgh Registration Number: 60271 Archives of Ontario Microfilm: 73