Biography.guide
Home › People › Politician › Lionel Dawson-Damer, 4th Earl of Portarlington
Portrait of Lionel Dawson-Damer, 4th Earl of Portarlington

Lionel Dawson-Damer, 4th Earl of Portarlington

1832 – 1892

Irish Earl

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Lionel Dawson-Damer, 4th Earl of Portarlington

Lived 1832 – 1892 (aged 59–60). Lionel Dawson-Damer, 4th Earl of Portarlington was a politician.

Lionel Seymour William Dawson-Damer, 4th Earl of Portarlington DL (7 April 1832 – 17 December 1892), known as Lionel Dawson-Damer until 1889, was a British peer and Conservative politician.

Early life

Portarlington was the only son of the Hon. George Dawson-Damer and the former Mary Georgiana Emma Seymour. Among his siblings were Lady Georgiana (wife of the 3rd Earl Fortescue) and Lady Constance (wife of Sir John Leslie, 1st Baronet).

His father was a younger son of John Dawson, 1st Earl of Portarlington and Lady Caroline Stuart (a daughter of Prime Minister John Stuart, 3rd Earl of Bute). His maternal grandparents were Lord Hugh Seymour (a younger son of the 1st Marquess of Hertford) and the former Lady Anne Horatia Waldegrave (a daughter of the 2nd Earl Waldegrave).

Personal life 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:

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Born
1832
Birth century
Died
1892
Occupation
Positions held
Member of the 21st Parliament of the United Kingdom, Member of the 20th Parliament of the United Kingdom, Member of the 18th Parliament of the United Kingdom, Member of the 17th Parliament of the United Kingdom
Also known as
Lionel Dawson-Damer

People in Lionel Dawson-Damer, 4th Earl of Portarlington's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Lionel Dawson-Damer, 4th Earl of Portarlington's

Frequently asked questions

Who was Lionel Dawson-Damer, 4th Earl of Portarlington?

Irish Earl

When was Lionel Dawson-Damer, 4th Earl of Portarlington born?

Lionel Dawson-Damer, 4th Earl of Portarlington was born in 1832.

When did Lionel Dawson-Damer, 4th Earl of Portarlington die?

Lionel Dawson-Damer, 4th Earl of Portarlington died in 1892.

What was Lionel Dawson-Damer, 4th Earl of Portarlington's occupation?

Lionel Dawson-Damer, 4th Earl of Portarlington was a politician.

Sources & further reading

· Wikipedia: Lionel Dawson-Damer, 4th Earl of Portarlington

· Wikidata: Q6555615

· DBpedia: Lionel Dawson-Damer, 4th Earl of Portarlington

Cite this page

APA: Biography.guide. (2026). Lionel Dawson-Damer, 4th Earl of Portarlington. https://biography.guide/lionel-dawson-damer-4th-earl-of-portarlington/

MLA: "Lionel Dawson-Damer, 4th Earl of Portarlington." Biography.guide, https://biography.guide/lionel-dawson-damer-4th-earl-of-portarlington/.

Chicago: "Lionel Dawson-Damer, 4th Earl of Portarlington." Biography.guide. https://biography.guide/lionel-dawson-damer-4th-earl-of-portarlington/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:21 UTC