SOCIETY FOR CONSTITUTIONAL INFORMATION Edward Carter of Portsmouth proposed 3.11.1780 by John Cartwright 2nded John Jebb / Sir John Carter of Portsmouth proposed 26.6.1781 by John Cartwright 2nded Samuel Vaughan / John Carter of Portsmouth proposed 26.6.1781 by John Cartwright 2nded Edward Bridgen / William Carter of Portsmouth proposed 13.12.1782 by Joseph Towers 2nded James Martin
I think these four were John Carter 1715-1794, seven times mayor of Portsmouth whose first wife was Susannah Pike, and their three sons, Sir John Carter 1741-1808 (nine times mayor of Portsmouth, knighted in 1773, married Dorothy Cuthbert), William Carter (four times mayor of Portsmouth, married 11.12.1773 Sarah Jellicoe, his will PCC 1798) and Edward Carter (born 20.7.1757, married Harriet Aldridge 6.1.1783 St Paul Covt Gdn, his will PCC 1795 of Coolhurst, Horsham, Sussex, his son Edward six times mayor of Portsmouth, his will PCC 1850, Hampshire Archives 94M72/F16 biography of him by Henry Slight 1850, see John Pounds DNB 1766-1839 and Charles John Abraham DNB 1814-1903). The family were brewers and distillers, staunch Whigs and Unitarians, and dominated the corporation, their family house was 19 High St Portsmouth. See Hampshire Telegraph & Sussex Chronicle 17.8.1850, and Violet Bonham Carter "In A Liberal Tradition" for some of their family history