There is one place named McCarthy Island in Canada.
All places in the world called "McCarthy 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)
Albany (2)
Bon Accord (2)
Chatham (2)
Dorset (2)
Glenwood (2)
Minto (2)
Port Maitland (2)
Saint-Jean (2)
Souris (2)
Beaumont (2)
Caledonia (2)
Coleman (2)
Emerald (2)
Lloydminster (2)