Cognomen קרוסבי (Crosby 
, Crosbie , קרוסבי 
) , around the world, is a common last name. The cognomen קרוסבי is habitual in Grenada, where it is quite a common surname, Ireland, and New Zealand (explore the name in all countries). In absolute terms, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, קרוסבי is the forename as well as the last name.