There are 3 places named Harkness Island in Canada.
All places in the world called "Harkness Island".
Windsor (4)
Wellington (4)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Armstrong (2)
Buffalo (2)
Churchill (2)
Duvernay (2)
Granville (2)
Lancaster (2)
Mountain View (2)
Read Island (2)
Saint Marys (2)
Stirling (2)
Watson (2)
Bedford (2)
Canyon City (2)
Cowley (2)