There are 3 places named Williamson Island in Canada.
All places in the world called "Williamson 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)
Bedford (2)
Canyon City (2)
Cowley (2)
Field (2)
Hudson (2)
Long Point (2)
North Branch (2)
Russell (2)
Seal Cove (2)
Tompkins (2)
Alexandria (2)
Chesterville (2)
Drinkwater (2)
Grand Beach (2)