Translation of "Canadians" in Chinese

We're Canadians.

我們是加拿大人。

Are both Tom and Mary Canadians?

湯姆和瑪麗都是加拿大人嗎？

We never said that we were Canadians.

我们从来都没说过我们是加拿大人。

I wonder how many Canadians live in Boston.

我在想有多少加拿大人住在波士頓。