Cognomen 莱希 (Lech 
, Leahy , 莱希 
) , across the world, is a widespread surname. The last name 莱希 is habitual in Poland, where it is a common surname, Ireland, where it is quite a common surname, and Marshall Islands (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Ireland. Very seldom, 莱希 is the forename as well as the last name.