John was born in Portobello in 1879, the son of Charles and Mary Ann Pitt. By 1901 he was living with his now-widowed mother at 29 Bridge Street, Portobello, along with siblings Steven and Emma, and niece Mary A. Pitt. John was a polisher of iron work. In 1903, he married Teresa Simmons. By 1911, he was living at 20 Chapel Green, Willenhall, with his brother-in-law, Augustine Simmons, nephew Ernest Simmons, wife, and children Ethel and John. John Pitt was a bobber or polisher at a lock factory, working for Messrs. Butler, of Chapel Green.
John served for seven years in the Militia and six years in the Territorials before going to France on 5 March 1915 with the 6th Battalion of the South Staffordshire Regiment (number 1250). According to the Express & Star on 20 January 1916, he was officially declared to have been killed in action on 13 October 1915. He is commemorated at the Loos British Cemetery, as well as on the Portobello Roll of Honour.