Proper noun
A habitational surname from Old English.
A suburban village in Grappenhall and Thelwall parish, Warrington borough, Cheshire, England (OS grid ref SJ6487).
Source: en.wiktionary.orgHolmes 1989 pp. 163–166 "Kubla Khan" was composed in the same year as This Lime-Tree Bower My Prison, and both poems contained images that were used in the 14 October 1797 letter to Thelwall. Source: Internet
Widely publicised trials for sedition took place in Edinburgh (1793) and in London (1794) John Thelwall and two others were charged with treason. Source: Internet