In all the world, Сигэо (Shigeo 
, Matsunobori , Сигэо 
) is quite a rare gender-neutral given name. The first name Сигэо is characteristic of Japan, where it is quite a rare unisex name, the United States, where it is a very rare predominantly male, but very infrequently girly name, and Indonesia, where it is a very rare male name. Not in comparison with a country's population, this name is the most popular in Japan, China, and the United States. Also, Сигэо is the last name as well as the forename.