Dermod O'Brien, 5th Baron Inchiquin
Irish Baron
About Dermod O'Brien, 5th Baron Inchiquin
Lived 1594 – 1624 (aged 30).
Dermod Ruadh O'Brien, 5th Baron of Inchiquin (October 1594 – 29 December 1624) was an Irish baron.
Biography Dermod, who was born in October 1594, was the son of Murrough O'Brien, 4th Baron Inchiquin (1562 – 24 July 1597), the son of Murrough McDermot O'Brien, 3rd Baron Inchiquin and Mabel Nugent, daughter of Christopher Nugent, 6th Baron Delvin. He inherited the barony at the age of two.
Family Dermod O'Brien married Ellen, eldest daughter of Sir Edmund FitzJohn FitzGerald of Cloyne and Ballymaloe House in County Cork, who married Anthony Stoughton of Rattoo, County Kerry. Mary, married Michael Boyle, Archbishop of Armagh, and Lord Chancellor of Ireland, and had with him numerous children, including Murrough Boyle, 1st Viscount Blesington, and Eleanor (who became the wife of the William Hill of Hillsborough, M.P., and mother to Michael Hill (1672–1699) M.P.). Ann, died unmarried
Ancestors
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Important facts
People in Dermod O'Brien, 5th Baron Inchiquin's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Dermod O'Brien, 5th Baron Inchiquin's
Frequently asked questions
Who was Dermod O'Brien, 5th Baron Inchiquin?
Irish Baron
When was Dermod O'Brien, 5th Baron Inchiquin born?
Dermod O'Brien, 5th Baron Inchiquin was born on 1 October 1594.
When did Dermod O'Brien, 5th Baron Inchiquin die?
Dermod O'Brien, 5th Baron Inchiquin died on 2 December 1624.
What nationality was Dermod O'Brien, 5th Baron Inchiquin?
Dermod O'Brien, 5th Baron Inchiquin's recorded nationality: Kingdom of Ireland.
Sources & further reading
· Wikipedia: Dermod O'Brien, 5th Baron Inchiquin
· DBpedia: Dermod O'Brien, 5th Baron Inchiquin
Cite this page
APA: Biography.guide. (2026). Dermod O'Brien, 5th Baron Inchiquin. https://biography.guide/dermod-o-brien-5th-baron-inchiquin/
MLA: "Dermod O'Brien, 5th Baron Inchiquin." Biography.guide, https://biography.guide/dermod-o-brien-5th-baron-inchiquin/.
Chicago: "Dermod O'Brien, 5th Baron Inchiquin." Biography.guide. https://biography.guide/dermod-o-brien-5th-baron-inchiquin/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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