Surname О'Коннелл (O'Connell 
, О'Коннелл 
) , across the world, is a common last name. The last name О'Коннелл is habitual in Ireland, where it is a common surname, Jersey, where it is quite a common surname, and Australia (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, Ireland, and Australia.