Here are some marriages from the Ontario Archives:
#014274-86 (Toronto) Donald URQUHART, 25, telegrapher, born
Nottawa, Simcoe Co., Ont., resident of Toronto, son of John & Jannett, married Jennie McGOLPHIN, 22, born London, Ont., resident of Toronto, daughter of John & Jane, witn: R. URQUHART & R. McGOLPHIN, both of Toronto, 30 Sept 1886 at Toronto.
#014142-86 (Toronto) James Andrew McGOLPHIN, 25, tinsmith, born in London Ont., resident of Toronto, son of John & Jane, married Annie Victoria BOWRON, 22, born in Toronto, resident of same, daughter of Thomas & Elizabeth, witn: E. Almyra STAFFORD & L. C. SIMPSON, both of Toronto, 25 Aug 1886.
#013804 Sarah Ann McGolpin m. William John McCleary Feb. 24, 1891 in Toronto.
William John McGalpin m. Susie Wilson April 9, 1884 in Toronto.
From the LDS website at http://www.familysearch.orghttp://www.familysearch.orgthis looks like your Urquharts in the 1881 census. You wouldn't believe how badly misspelled I have seen this name in the different census on this website and on Ancestry.com.
John ERGNHART, Married, Male, Scottish, 49, Scotland, Bookkeeper, Presbyterian
Jeanete ERGNHART, Married, Female, Scottish, 45, Scotland, Presbyterian
Roderick ERGNHART, Male, Scottish, 23, Ontario, Presbyterian
Donald EEGNHART, Male, Scottish, 18, Ontario, Presbyterian
Arch A. ERGNHART, Male, Scottish, 13, Ontario, School, Presbyterian
Margaret ERGNHART, Female, Scottish, 9, Ontario, School, Presbyterian
Laurence ERGNHART, Male, Scottish, 3, Ontario, Presbyterian
Census Place Collingwood, Simcoe North, Ontario
Family History Library Film1375887
NA Film NumberC-13251
Here's another interesing marriage:
#002583-98 (Toronto) Archibald URQUHART, 29, born in Toronto, resident of same, engineer, son of John URQUHART & Janet CURRIE, married Margaret MOWAT, 24, born in Glasgow, resident of Toronto, daughter of John MOWAT & Mary GRAHAM, witn: S.M. STEEP, Lizzie BANNBY, both Toronto, married 26 Aug 1898.
This interesting info is on the LDS website:
John Urquhart born 09 JUN 1831 in Scotland, died 04 NOV 1891. Married 23 DEC 1856 in Ontario to Janet Currie. Janet Currie born 24 DEC 1830 in Scotland, died 28 MAY 1911.