Westerlea succeeded his cousin, Major Thomas B Paisley of Westerlea, as 16th Head of Family in April 1992, and was recognised by the Court of The Lord Lyon, Edinburgh, on the 17th of May, 1993; he is married to Jane, the Lady Westerlea (née Rankin). Westerlea has three daughters; Sarah, the Maid of Westerlea; and twins Claire and Olivia. He is a Freeman of Glasgow and patron of Kagyu Samye Ling Monastry and Tibetan Centre Eskdalemuir.
Currently, Westerlea is Chief Assessor (Scotland) for The Guild of Mastercraftsmen. He is also a Fellow of The Royal Society of Arts and Fellow of The Society of Antiquaries, Scotland.
Seat (of old): Westerlea House, Angus
Residence: Ardtalla, Kirkburn, Slamannan, FK1 3AE
Tel: 01324 851535
Club: The Royal Scots Club, Edinburgh
Style: The Much Hon. Duncan W. Paisley of Westerlea
The guidon, similar to the standard, is assigned by the Lord Lyon to Chiefs, Chieftains, Barons and Lairds who can demonstrate a substantial following. The guidon was granted by the Lord Lyon on 3rd April 1997, and was recorded on the 103rd page of the 78th Volume of the Public Register of All Arms and Bearings in Scotland (29 Sept 1997)