Lunn History, Family Crest & Coats of Arms. ... It is derived from the family living in an area that was referred to as the laund, which was Old Norman word meaning the open space in a forest or the lawn. There were a number of locations in England with this topograghic place-name including Yorkshire and Lancashire.
The baby name Lyam of irish origin means meaning resolute protector, variation of William. ... You might also consider similar names to Lyam which include William.