Riseholme (fictional village) Poppy, Duchess of Sheffield, at nearby Sheffield Castle (which Benson located at "Sheffield Bottom"—unconnected to the Yorkshire Sheffield). It was revealed in "Mapp and Lucia" that Lucia's great rival in Tilling, Elizabeth Mapp ("Miss Mapp", 1922) had once visited Riseholme and stayed at the Ambermere Arms. She also hijacked Lucia's "au reservoir" (for "au revoir") and presented it to Tilling society as her own. Cynthia and Tony Revell (1984) "Mr Benson remembered in Rye, and the world of Tilling" cited Sir Steven Runciman (1903–2000), a Cambridge historian who knew Benson well, and Benson's manservant Charlie Tomalin (d.1981) for the assertion
Thomas Tilling independently until nationalisation began in the late 1940s. Tilling Motor Services Ltd was formed from the break-up. As part of the government's moves toward nationalisation of the transport industry, the Transport Act 1947 resulted in formation of the British Transport Commission (BTC). The railway companies were nationalised from 1 January 1948 with the result that their major stake in the Tilling and BET bus companies passed into public ownership from that date. Tilling sold its remaining holdings to the BTC at the beginning of 1949, as did the Scottish Motor Traction group. Thomas Tilling (BTC) Ltd. was set up as