Of note, People's Party of Canada leader Maxime Bernier has said he will be running in Portage-Lisgar, Man., in an attempt to become an MP again.

Voting locations will be open between 8:30 a.m. to 8:30 p.m. on Monday.

Insiders now say Trudeau will set a date in early February for the other three byelections. He will wait until early January to call them so candidates won't have to campaign over the Christmas holiday season.