Cognomen ピアス (Pierce 
, Pearce , ピアス 
) , across the world, is a widespread surname. The cognomen ピアス is characteristic of Isle of Man, where it is quite a common surname, Australia, and Marshall Islands (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, ピアス is the forename as well as the last name.