You could try out this web site location to research your ancestors.http://www.collectionscanada.gc.ca/index-e.html
Try the 1851 1871 1881 1901 Censushttp://www.glengarrycounty.com/Census-sgp.html
Alex W Fraser, My MacDonalds of Loup, Lundie & Fraser line Connections V.3 might provide you with your lineage.
Cornwall is the largest city in the area
Alexandria is largest town
If you know the land location, that would provide you with information that would give details on your ancestors.
Several books have been published on families from Upper Canada.
I am a descendant from the McDonald's of Loup, my ancestors siblings was Father John.