Lt. Col. Walter Patrick Barclay (22 August 1899 – 21 May 1943) was a British soldier.

Life and career Barclay was the son of Theodore Charles Barclay and Elizabeth Mary Barclay (née Frazer).Commonwealth War Graves Commission – Barclay, Walter Patrick He married Daphne Binny in London in 1937.General Register Office index of marriages registered in April, May and June, 1937 – Name: Barclay, Walter P & Binny, Daphne D C District: Westminster, London Volume: 1A Page: 1121.

Barclay was assistant military attaché in Rome in 1938, where his son Peter (who later became leader of Clan Barclay) was born.Clan Barclay – Who's Who

During World War II, Barclay served in the Black Watch, reaching the rank of lieutenant colonel.The Peerage He died in the Tunisian campaign in May 1943.Roll of Honour of the 6th Battalion Black Watch 1939–1945

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