Formed in the USA in 1864, it grew rapidly to a size second only to the Independent Order of Oddfellows. The Grand Lodge of Ontario was formed on 1872 Apr 8.
Admission open to white males who have a belief in a supreme being and are in good health.
In 1869 Blacks formed their own group, the Knights of Pythias of North America, Europe,
Asia, and Africa4
Click for a list of Lodges in Ontario
Click for a list of misc items in Ontario
The female auxiliaries are the Pythian Sisterhood (unusual in that it admits women only),
and the Pythian Sisters of the World which became the Rathbone Sisters of the World in 1894
5
Click for a list of Pythian Sisters Temples in Ontario
References:
(1) Stevens p216
(2) https://en.wikipedia.org/wiki/Knights_of_Pythias
(3) http://www.pythias.org/
(4) Schmidt p186
(5) Axelrod p153