William Massey-Mainwaring William Massey-Mainwaring The Honourable William Frederick Barton Massey-Mainwaring (28 May 1845 – 12 March 1907) was an Irish art collector and Conservative Party politician in the United Kingdom. The fifth son of Eyre Massey, 3rd Baron Clarina and his wife Susan Elizabeth "née" Burton, he was originally known as William Frederick Barton Massey. Educated at Trinity College Dublin, he was called to the bar at the Inner Temple, London. In 1872 he married Isabella Anne Milman, a widow and only child of Benjamin Lee Mainwaring of Knaresborough. He assumed the surname Massey-Mainwaring on marriage. Massey-Mainwaring was a well-known art collector
Captain Mainwaring struggled to rise above his working class background. He claims to be the son of a successful tailor in Eastbourne, but Lance Corporal Jones reveals that Mainwaring's father was actually a poor draper who sold badly-made workmen's trousers and Barry Mainwaring confirms this. "If I had a title I'd be on the board of directors at the bank!" he shouts at Sergeant Wilson when the latter gains a title in the episode "The Honourable Man". Despite his arrogance being encouraged by his status as the bank manager (having started as a clerk and working his way up to assistant chief