Biography.guide
Home › People › Mark McDonnell, 5th Earl of Antrim
Portrait of Mark McDonnell, 5th Earl of Antrim

Mark McDonnell, 5th Earl of Antrim

1814 – 1869

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

About Mark McDonnell, 5th Earl of Antrim

Lived 1814 – 1869 (aged 55).

Captain Mark McDonnell, 5th Earl of Antrim DL ( Kerr; 3 April 1814 – 19 December 1869), was an Anglo-Irish peer of Irish and Scottish descent who served in the Royal Navy.

Early life

Born Mark Kerr on 3 April 1814, he was baptised on 21 April 1814 at St Marylebone Parish Church. He was the seventh son of Vice-Admiral Lord Mark Kerr and Charlotte Kerr, 3rd Countess of Antrim (née MacDonnell).

Among his many siblings were Lady Georgina Anne Emily Kerr (who married the Rev. Hon. Frederic Bertie, son of the 4th Earl of Abingdon), Lady Caroline Mary Kerr (who married the Rev. Horace Robert Pechell, parents of Adm. Mark Robert Pechell), Lady Charlotte Kerr (who married Sir George Osborn, 6th Baronet), Lady Emily Frances Kerr (who married Henry Richardson and Sir Steuart Macnaghten, son of Sir Francis Workman-Macnaghten, 1st Baronet), Lady Letitia Louise Kerr (who married Cortlandt MacGregor Skinner), Charles Fortescue Kerr, styled Viscount Dunluce, Hugh McDonnell (who married Lady Laura Cecilia Parker, daughter of the 5th Earl of Macclesfield), and Lady Frederica Augusta Kerr (who married Montagu Bertie, 5th Earl of Abingdon).

Upon the death of his elder brother on 19 July 1855, he succeeded as the 5th Viscount Dunluce and the 5th Earl of Antrim, both in the Peerage of Ireland. On 8 November 1855, his name was legally changed to Mark McDonnell by royal licence.

Personal life

On 27 April 1849, Kerr married Jane Emma Hannah Macan (1824–1892), daughter of Maj. Turner Macan of the British Army and Harriet Sneyd (a daughter of Rev. Wettenhall Sneyd), who later married William Henry Whitbread. Together, they were the parents of ten children, including: Hon. Mark Henry Horace McDonnell (1852–1909), who married his cousin, Emily Fanny Dorothy Osborn, daughter of Sir George Osborn, 6th Baronet, and Lady Charlotte Kerr, in 1892. Lady Caroline Elizabeth McDonnell (–1930), who married Rev. Hon. Alberic Edward Bertie, son of Montagu Bertie, 6th Earl of Abingdon, and Elizabeth Vernon-Harcourt, in 1881. Hon. Hugh Seymour McDonnell (1855–1879), who died unmarried. Hon. Alexander McDonnell (1857–1945), a Clerk of the Parliaments who never married. who married Henry Charles Howard, son of Henry Howard and Charlotte Caroline Georgina Long, in 1878. Lady Evelyn McDonnell (1860–1947), who died unmarried. he married Ethel Henry Davis, daughter of Maj. Alexander Henry Davis, in 1913. Lady Jane Grey McDonnell (1863–1953), who married her second cousin once-removed, Charles Hepburn-Stuart-Forbes-Trefusis, 21st Baron Clinton, son of Charles Hepburn-Stuart-Forbes-Trefusis, 20th Baron Clinton, and Harriet Williamina Hepburn-Forbes (a daughter of Sir John Hepburn-Forbes, 8th Baronet), in 1886. Lady Helena McDonnell (1865–1948), who married Capt. Charles Barrington Balfour, first cousin of Prime Minister Arthur Balfour, son of Charles Balfour and Hon. Adelaide Barrington (a daughter of the 6th Viscount Barrington), in 1888.

Lord Antrim died on 19 December 1869. He was succeeded in his titles by his eldest son, William. His widow, the dowager Countess of Antrim, died on 21 April 1892 at Fettwecairne House, Kincardineshire, Scotland.

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

Birth century
Also known as
Captain Mark McDonnell, 5th Earl of Antrim

People in Mark McDonnell, 5th Earl of Antrim's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Mark McDonnell, 5th Earl of Antrim's

Frequently asked questions

Who was Mark McDonnell, 5th Earl of Antrim?

(1814-1869)

When was Mark McDonnell, 5th Earl of Antrim born?

Mark McDonnell, 5th Earl of Antrim was born on 3 April 1814.

When did Mark McDonnell, 5th Earl of Antrim die?

Mark McDonnell, 5th Earl of Antrim died on 19 December 1869.

Sources & further reading

· Wikipedia: Mark McDonnell, 5th Earl of Antrim

· Wikidata: Q73111316

· DBpedia: Mark McDonnell, 5th Earl of Antrim

Cite this page

APA: Biography.guide. (2026). Mark McDonnell, 5th Earl of Antrim. https://biography.guide/mark-mcdonnell-5th-earl-of-antrim/

MLA: "Mark McDonnell, 5th Earl of Antrim." Biography.guide, https://biography.guide/mark-mcdonnell-5th-earl-of-antrim/.

Chicago: "Mark McDonnell, 5th Earl of Antrim." Biography.guide. https://biography.guide/mark-mcdonnell-5th-earl-of-antrim/.

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

Page generated 2026-09-27 04:59 UTC