There is some information on the Mill online, various google sites, which indicate James Channon took over the mill in 1792. I wonder if this is the family on family search>
James Channon Marriage 3 July 1759 Honiton, Devon Spouse Anne Suxpitch
James Channon Baptism 29 April 1760 Honiton, Devon Parents James Channon, Anne
Anne Channon Christening 21 March 1762 Honiton, Devon Parents James Channon, Anne
Colin