Last name Уэлан (Whelan 
, Уэлан 
) , all around the world, is a common family name. The last name Уэлан is habitual in Ireland, where it is a common surname, Isle of Man, where it is quite a common surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, Ireland, and the United Kingdom.