Family name Гайли (Gaile 
, Гайли 
) , worldwide, is quite a rare last name. The family name Гайли is characteristic of Northern Europe, particularly Latvia, where it is quite a common surname, Lithuania, where it is a rare surname, and Ireland. In absolute terms, it most frequently occurs in Latvia, Germany, and the United States. Likewise, Гайли is the forename as well as the last name.