Family name Гаида (Gaida 
, Gayda 
, Гаида 
) , across the world, is quite a common cognomen. The cognomen Гаида is characteristic of Germany, where it is quite a rare surname, Tunisia, and Austria. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Philippines. Likewise, Гаида is the forename as well as the last name.