Last name Eii (Eii 
, Eaii ) , in the entire world, is quite a rare surname. The cognomen Eii is characteristic of Japan, where it is quite a rare surname, Myanmar, where it is a rare surname, and Uruguay. Not in comparison with a country's population, this name is the most popular in Japan, Myanmar, and India. More prevalently, Eii is the forename as well as the last name.