When it was proposed to enfranchise Brighton a Tory observed in Parliament that it would represent merely "toffy (sic), lemonade and jelly shops".
Isaac Newton Wigney (MP 1832–1839 and 1841–1842) was described as being of "Whig opinions inclining to radicalism, in favour of the ballot, and pledged himself to resign his seat whenever his constituents called upon him so to do".
He advocated "the immediate abolition of slavery, of all unmerited pensions and sinecures, the standing army, all useless expense, the Corn Laws, and every other monopoly.
In 1884 the Liberal MP, William Marriott, broke with his party as he disagreed with Prime Minister Gladstone's foreign and Egyptian policy.
From that time onwards the Liberal Party never won an election in the constituency, except for a by-election in 1905 and both seats in the landslide victory of 1906.
[6] Under the Representation of the People Act 1867 the constituency was enlarged to include the Preston area which fell inside Brighton's municipal boundaries.