Family name Maisei (Maisei 
, Маисей 
, Майсей 
) , in the entire world, is a very rare cognomen. The surname Maisei is characteristic of Belarus, where it is a rare surname, Georgia, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Belarus, Russia, and Georgia. More prevalently, Maisei is the forename as well as the last name.