[someone123]

Usually it's written as Macdonald, not MacDonald. For example it's the Angus L. Macdonald bridge.

There might be a bunch of spelling issues in general. Lee could be an English or Chinese surname (also sometime Li). Wong and be Wang, and then there's a variety of Chang/Chong/Chen/Cheug type names which I assume are all the same?

LeBlanc doesn't really surprise me for NB or NS. There are a lot of Anglophones in NS with French surnames whose ancestors in NS would have spoken French a few generations ago, along with some who are still Francophones. It's probably as much historically ethnically French (or other Francophones like French Swiss) as it is Scottish even post deportation.