Scots from Middle English lardvariant oflordowner, masterlord
From
American Heritage Dictionary of the English Language, 5th Edition
Laird Sentence Examples
Tankerness House is a characteristic example of the mansion of an Orkney laird of the olden time.
After three such good fortunes by marriage Norfolk in his folly looked for a crown with a fourth match, listening to the laird of Lethington when he set forth the scheme by which the duke was to marry a restored queen of Scots and rule Scotland with her who should be recognized as Elizabeth's successor.
Alexander Brodie (1617-1680), the fourteenth laird, was one of the commissioners who went to the Hague to treat with Charles II., and afterwards became a Scottish lord of session and an English judge.