Cognomen Saira Margarita (Saira Margarita 
) , in the entire world, is an extremely rare last name. The cognomen Saira Margarita is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Saira Margarita is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saira Margarita | Ecuador, Chile |