Brewer's: Devonshire Poet
O. Jones, a journeyman wool-comber, who lived at the close of the 18th century. Edward Capern, called “The rural Postman of Bideford” (born 1819), and John Gay, author of the Beggar's Opera, etc. (1688-1732), of Barnstaple (Devonshire).
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894