There is one place named Thorburn Island in Canada.
All places in the world called "Thorburn Island".
Wellington (4)
Windsor (4)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Alma (2)
Boundary (2)
Chipman (2)
Durham (2)
Grand Falls (2)
Laflèche (2)
Morden (2)
Radisson (2)
Saint Louis (2)
Stanley (2)
Waterloo (2)
Beaver Crossing (2)
Campbellton (2)
Coronation (2)