Hi Always important to enter Surname/s of Interest in Capital Leters on Subject line - follwed by given name
Other information in the body of the message.
REGISTRATION of MARRIAGE - can be obtained from the Govt of Alberta Vital Statistics Registry Dept - the ocst aprox $40 Canadian - they will search a few years either side of a given time.
If you know the religion. http://www.lacombe.ca/index.php?option=com_content&task=...
There may be Church records available - that can give you the date - witnesses etc