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Family name 盖 (Gai
, 盖
, Gae
) , in all the world, is a widespread surname. The last name 盖 is characteristic of Monaco, where it is quite a common surname, Gambia, and China. Measured by absolute frequency, the name is most common in China, India, and Italy. Much less frequently, 盖 is the forename as well as the last name.