Cognomen والش (Walsh 
, Waish 
, Walsch ) , all around the world, is a widespread surname. The last name والش is habitual in Ireland, where it is a widespread surname, Dominica, where it is a common surname, and Isle of Man, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Ireland.