Cognomen Кліффорд (Clifford 
, Кліффорд 
) , all around the world, is a common surname. The last name Кліффорд is characteristic of Ireland, where it is quite a common surname, Monaco, and Australia (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, Nigeria, and the United Kingdom. More prevalently, Кліффорд is the forename as well as the last name.