There are 2 places named Roulston Lake in Canada.
All places in the world called "Roulston Lake".
Wellington (4)
Windsor (4)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Abbotsford (2)
Bissett (2)
Charlottetown (2)
Delta (2)
Georgetown (2)
Kildonan (2)
Port Elgin (2)
Saint-Jacques (2)
Simpson (2)
Vernon (2)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)