Family name Máirt (Martis 
, Máirt) , in the entire world, is a common cognomen. The surname Máirt is characteristic of Curacao, where it is a widespread surname, Aruba, where it is a common surname, and United Arab Emirates, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, Italy, and the United States. Very seldom, Máirt is the forename as well as the last name.