On 7 February 1921, Houldsworth married Katharine Charlotte Douglas, daughter of Major George Sholto Douglas (a grandson of the
17th Earl of Morton) and Lady Laura Mary Wentworth-Fitzwilliam (a daughter of
William Wentworth-Fitzwilliam, Viscount Milton). Together, they lived at
Dallas Lodge,
Forres,
Moray, and were the parents of: Houldsworth died on 9 October 1963 at
Leanchoil Hospital,
Forres. His funeral was held at St. Giles' Parish Church in Elgin. The
Queen was represented by Adml. Sir
Martin Dunbar-Nasmith and the
Duke and
Duchess of Gloucester by Capt.
Iain Tennant. ==References==