Cognomen Элси (Elsie 
, Elsi , Elsey 
) , in the world, is a common surname. The surname Элси is habitual in Latin America and the Caribbean, particularly Honduras, where it is quite a common surname, Mexico, where it is quite a rare surname, and Venezuela. In absolute terms, the name is most common in Mexico, Nigeria, and the United States. More frequently, Элси is the forename as well as the last name.