Family name Dayra (Dayra 
, Дайра 
, Даира ) , in the entire world, is quite a rare last name. The cognomen Dayra is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a common surname, Honduras, where it is quite a rare surname, and Mexico, where it is a rare surname. More frequently, Dayra is the forename as well as the last name.