Lawyer. Eldest son of Revd Henry and Bella Peckwell. In 1811, he assumed his mother’s surname. Educated Westminster (adm. 1785) and Christ Church, Oxford (matric. 1792, BA 1796, MA 1799). Admitted to Lincoln’s Inn 1795, called to the Bar 1801; Serjeant-at-Law 1809. Chief Justice of the Supreme Court of Bengal, 1821; knighted 1822. Author of Cases on Controverted Elections in the Second Parliament of the United Kingdom (1805–1806). He never married. Peckwell was a friend of Southey’s during his time at Westminster School and Oxford.