Cognomen Màrr (Mar 
, Màrr) , all around the world, is a widespread surname. The last name Màrr is characteristic of Myanmar, where it is a common surname, Spain, where it is quite a common surname, and Fiji (explore the name in all countries). Measured by absolute frequency, it is commonest in India, Myanmar, and Spain. Much less frequently, Màrr is the forename as well as the last name.