Surname دافى (Duffy 
, دافى 
) , across the world, is a common family name. The cognomen دافى is habitual in Ireland, where it is a common surname, New Zealand, where it is quite a common surname, and Jersey (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Ireland. Much less frequently, دافى is the forename as well as the last name.