There are 2 places named Mercer Island in Canada.
All places in the world called "Mercer Island".
Wellington (4)
Windsor (4)
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)
Milton (3)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)
Hampton (2)
Lindsay (2)
Nakina (2)
Saint Peters (2)
Sutton (2)
West Bay (2)
Cavendish (2)
Deer Lake (2)
Fredericton (2)
Kaslo (2)