There is one place named Clarkson in Canada.
All places in the world called "Clarkson".
Wellington (4)
Windsor (4)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Abbotsford (2)
Bissett (2)
Charlottetown (2)
Delta (2)
Georgetown (2)
Kildonan (2)
Port Elgin (2)
Saint-Jacques (2)
Simpson (2)
Vernon (2)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)