In all the world, Mengsong (孟松 
, 梦松 , Mengsong 
) is quite a rare primarily male, but very infrequently girly first name. The first name Mengsong is habitual in Eastern Asia, particularly China, where it is a very rare predominantly masculine, but scarcely female name. Very seldom, Mengsong is the last name as well as the forename.