Cognomen ハイラム (Hiram 
, ハイラム 
) , in all the world, is a common last name. The cognomen ハイラム is characteristic of Mexico, where it is quite a rare surname, Puerto Rico, and Malaysia, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Mexico, Kenya, and Malaysia. More frequently, ハイラム is the forename as well as the last name.