Lionel Seymour William Dawson-Damer, 4th Earl of PortarlingtonDL (7 April 1832 – 17 December 1892), known as Lionel Dawson-Damer until 1889, was a British peer and Conservative politician.
According to a private letter between Louisa and Eddy Eliot, dated 27 September 1841, their brother's friend "Seymour Damer is gone to school in Liverpool".
Career
Portarlington was returned to Parliament for the Portarlington constituency in 1857, a seat he held until 1865 and again between 1868 and 1880. In 1889 he succeeded his cousin Henry as fourth Earl of Portarlington. However, as this was an Irish peerage he was not allowed to take a seat in the House of Lords.
Lord Portarlington married the Hon. Harriett Lydia Montagu, eldest daughter and co-heiress of Henry Montagu, 6th Baron Rokeby, on 19 April 1855. Together, they were the parents of several children, including:[4]