Joseph Barnes (ca 1765 - 6 May 1829) was a merchant and slave-owner in Jamaica.Joseph Barnes. Legacies of British Slave-ownership, University College London. Retrieved 12 January 2019. He was elected to the House of Assembly of Jamaica in 1820.Hakewill, James. (1825) A Picturesque Tour of the Island of Jamaica, From Drawings Made in the Years 1820 and 1821. London: Hurst and Robinson & E. Lloyd. p. 13.

Barnes was living in Jamaica by 1808 and acquired Cumberland Penn, Portmore, Saint Catherine in 1809.

References