[shiroiuma]

No, they're not: they're the ancestors of Canadian refugees who were forcibly expelled from what used to be called "Arcadia".

[alborzb]

Incase anyone else is a wikipedia searcher like me, want to point out there's no 'R' in the historic colony.

Acadia - https://en.wikipedia.org/wiki/Acadia

Wanted to save other people time searching it up too