Cognomen موسلى (Mosley 
, موسلى 
) , in all the world, is a common surname. The last name موسلى is characteristic of the United States, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and New Zealand. Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Canada. Very seldom, موسلى is the forename as well as the last name.