Spellings:Leask, Lask, Liesk, Lisk, Leisk, Laesk, Lesh, Lesk, Leysk, Laysk & Lusk. Are you descended from the Aberdeen, Orkney or Shetland Branch? Are you Danish or polish? You may be related? What is the origin of the Clan Leask? Are they Picts, Celts, Saxons, Danes, Norman or of some other roots? Is either the Laski Family of Poland, or the Lesque Family of Boulogne related? What are your origins? The answers can be found by joining our Leask Surname project to search for your own roots and to help determine the Clan's roots. Fee free to visit website at Research.Leask.com We hope to hear from you.