Trooper William Mitchell was killed near Agnone, Sicily during the battle at Punta dei Malati Bridge, which was later renamed by Montgomery as 3 Commando Bridge. +
Extract from the Daily Record - Saturday 28 August 1943
"Commando Killed :- Commando William Mitchell, formerly a member of the Renfrewshire Constabulary at Johnstone, has been killed in the Middle East. He had six years' police service and joined the Army, in October of last year. His wife and child reside at 15 Thompson Avenue. Johnstone." Sources  CWGC  ROH in Commando-Memoirs of a Fighting Commando in WW2 by Brig Durnford-Slater.  Daily Record / British Newspaper Archive (website britishnewspaperarchive.co.uk); The British Library Board.