Son of Sir Richard David Muir, of 3, Temple Gardens, London, and Lady Muir; husband of Vera Brodie Muir (nee MacQueen) of 30, Campden House Court, Kensington, London. Educated at Rugby School and Trinity College, Cambridge. B.A.; Barrister-at-Law, Middle Temple. Son of Sir Richard David Muir, born in Greenock

Captain Muir died of influenza and pneumonia in a casualty clearing station, a week before the armistice