Last name Гейнс (Gaines 
, Gains 
, Гейнс 
) , in the entire world, is a common surname. The surname Гейнс is characteristic of Antigua and Barbuda, where it is quite a common surname, the United States, and New Zealand, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Canada. Much less frequently, Гейнс is the forename as well as the last name.