Cognomen Matsy (Маци 
, Matsy 
, Мацы ) , in the entire world, is a very rare family name. The surname Matsy is characteristic of Russia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and the United States. Measured by absolute frequency, the name is most common in Russia, Mexico, and India. Likewise, Matsy is the forename as well as the last name.