John de Courcy, 21st Baron Kingsale
(died 1667)
About John de Courcy, 21st Baron Kingsale
John de Courcy, 21st Baron Kingsale (died 1667) sat in the House of Lords of the Irish Parliament of 1661–1666.
Birth and origins
John was born the eldest son of Patrick de Courcy and Mary FitzGerald. His father was the 20th Baron Kingsale (also counted as the 19th or the 15th). His father's family, the de Courcys, were Old English and claimed descendence from John de Courcy, who had arrived in Ireland in 1176.
His mother was a daughter of John Oge FitzGerald of Dromana. Her eldest sister, Helen (or Ellen) was the wife of his uncle Gerald, the 19th Baron Kingsale. The FitzGeralds of Dromana were Old English like the de Courcys. They were a cadet branch of the FitzGeralds of Desmond that started when Gerald FitzGerald, the second son of James FitzGerald, 6th Earl of Desmond (d. 1462) was given Dromana as an appanage.
His parents married when his father was already 48 years old but had 23 children. However, only seven seem to be known by name.
John listed among his known brothersHe was the eldest of four known brothers: John (d. 1667) Edmund died without issue Miles, married Elizabeth Sadleir and was father of Gerard de Courcy, 24th Baron Kingsale. Gerald, died without issue
John's known sisters Alice, married Dermod MacCarthy of Anglish Elizabeth, married David Sarsfield, 3rd Viscount Sarsfield Margaret, married Phillip Barry Oge
Early life His father was Baron Kingsale from about 1642 to 1663, during the 11 years of war that followed the Irish Rebellion of 1641, then through the eight years of Cromwellian rule in Ireland, and last through the Restoration.
Marriage and children De Courcy married Ellen, daughter of Charles MacCarthy Reagh of Kilbrittain and granddaughter of Donal MacCarthy Reagh of Kilbrittain.
John and Ellen had three sons: Patrick (1660–1669), succeeded as the 22nd Baron Almeric (1664–1720), succeeded as the 23rd Baron William
—and at least one daughter: Ellen, married Sir John Magrath, 3rd Baronet
21st Baron John succeeded his father in 1663 as the 21st Baron Kingsale. He took his seat in the Irish House of Lords as Lord Kingsale on 9 November 1665.
Death Kingsale died of smallpox on 19 May 1667. He was succeeded by his eldest son Patrick aged seven.
Notes and references
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Family & relationships
Frequently asked questions
Who was John de Courcy, 21st Baron Kingsale?
(died 1667)
When did John de Courcy, 21st Baron Kingsale die?
John de Courcy, 21st Baron Kingsale died on 19 May 1667.
Sources & further reading
· Wikipedia: John de Courcy, 21st Baron Kingsale
· DBpedia: John de Courcy, 21st Baron Kingsale
Cite this page
APA: Biography.guide. (2026). John de Courcy, 21st Baron Kingsale. https://biography.guide/john-de-courcy-21st-baron-kingsale/
MLA: "John de Courcy, 21st Baron Kingsale." Biography.guide, https://biography.guide/john-de-courcy-21st-baron-kingsale/.
Chicago: "John de Courcy, 21st Baron Kingsale." Biography.guide. https://biography.guide/john-de-courcy-21st-baron-kingsale/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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