[2] The Lido Theatre was built in The Pas by contractor John George Hartmier for Auguste "Irish" Rivalin and The Northern Theatre Co. Ltd., a company that Rivilin and his wife Louisa formed a year prior.

[4] It opened in late 1929 as the first theatre in western Canada designed specifically for movies with sound.

They decided to keep it open and to sell their portions to Irish, the majority investor and largest creditor.

[3] In the 1940s, Irish's son Paul Rivalin—after his service in the Air Force of World War II—began operating the Lido with the support of his wife Margaret.

[3] In the mid-1960s, the lobby was renovated by the engineering department of the T. Eaton Company out of Toronto in order to permanently incorporate a concession area for selling treats.