Thousand Island Dressing

Recently I heard that the Thousand Island Dressing actually orginated from the Thousand Islands in the Kingston area in Ontario, Canada. Just wonder if anyone out there knows if this is true or not and whether there is any proof or evidence to support the claim. Thanks.

Google refers to a few sites, each having a different story as to the history of the dressing.
The explanation with the most hits is linked below with others listed here:

www.gananoque.com/ thd.html