There is one place named O'Neill Island in Canada.
All places in the world called "O'Neill Island".
Wellington (4)
Windsor (4)
Princeton (3)
Borden (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Sidney (3)
Centreville (3)
Grand Beach (2)
Kitchener (2)
Montague (2)
Saint-Laurent (2)
Southampton (2)
Wallace (2)
Alexandria (2)
Chesterville (2)
Drinkwater (2)
Hebron (2)
Lockeport (2)
Newcastle (2)
Roblin (2)
Sandy Lake (2)