Presumably an offshoot of the Fraternal Order of Beavers, founded in the USA in 1911 . Members had to be white, between 16 and 55, and believe in a supreme being. The US Order had about 12 000 members in the early 1920s.
The head office was in London in 1922.
Click for a list of Lodges in Ontario
References:
Schmidt p50
https://en.wikipedia.org/wiki/Beaver_fraternal_orders