Albertsland: 5/10, sounds like a mediocre province name, bad for a country
Albionora: 6/10, that's a bloody Harry Potter spell, but at least it would probably have a nice demonym
Borealia: 8/10, pretty solid choice, classical and poetic
Britannia: 3/10, because Code Geass and confusing with great Britain
Cabotia: 8/10, decent tie to early Canadian history
Colonia: 1/10, let's name our colony colony. We're so creative.
Efisga: 2/10, silliest acronym I've ever heard, but at least it includes Germans and First Nation people
Hochelaga: 6/10, a bit too weird sounding for European tongues but it has its basis in history and describes Canada decently enough
Laurentia: 8/10, geographic reference and classical naming conventions a good country name make
Mesopelagia: 7/10, considering when it could've been adopted not good enough because it wasn't clear that the dominion would stretch to the Pacific
Norland: 2/10, lazy and reminds me of northern Sweden
Superior: 6/10, Lake Superior is kinda cool but I think it would go to their ego
Transatlantia/Transatlantica: 4/10, pretty lazy and turns bad once it reaches the Pacific
Tuponia/Tuponia: 3/10, another lazy acronym but at least it's better than Efisga
Ursalia: 9/10, because bears are cool
Vesperia: 8/10, yet another example of a cool classical name
Victorialand: 4/10, because of the Victoria colony in Australia already existed since 1851