Did not find a marriage for them but here is a birth of a daughter as listed on Ancestry.ca
Maggie Maud, b 11 Feb 1880, d/o James Erwin Smith, hotel keeper & Margaret Wiggins, Listowel, Perth County.
Betty Smith, 26, waitress, b and living Listowel, d/o John Smith & Margaret Smith, married Henry Funston, 26, moulder, s/o John Wellington Funston and Margaret Ann Wiggins, witn: Elizabeth Funston & Margaret Ann McMaster, 7 Aug 1916, Niagara Falls.
1881 census on www.famiysearch.org
1901 and 1911 census on www.automatedgenealogy.com