Lucas Dillon of Loughglynn
17th-century Irish son of a viscount
About Lucas Dillon of Loughglynn
Lived 1579 – 1656 (aged 76–77).
Sir Lucas Dillon of Loughglynn (1579–1656) was in 1628 one of the negotiators of the Graces; he was MP for Roscommon in the two Irish Parliaments of Charles I. At the Irish Rebellion of 1641 he sided with the rebels and joined the Irish Catholic Confederation, where he served on the Supreme Council.
Birth and origins Lucas was born in 1579, the second son of Theobald Dillon and Eleanor Tuite. His father would become the first Viscount Dillon in 1622. His mother was a daughter of Sir Edward Tuite of Tuitestown, County Westmeath, and widow of William Tuite of Monilea. His father's side of the family descended from Lord Dillon of Drumraney, County Westmeath. His father's family was Old English and descended from Sir Henry Dillon who came to Ireland with Prince John in 1185.
Marriage and children Lucas Dillon married Jane Moore, daughter of Garret Moore.
Lucas and Jane had four sons: Robert, married Rose Dillon of Streamstown and was the father of the 7th Lord Dillon
Nothing seems to be known of the other sons and of daughters.
Later life The Graces
In June 1627 a convention was elected in Ireland that chose 11 agents to be sent to England to negotiate with the King. Sir Lucas was one of them. Three were Protestants, the remaining eight Old English Catholics.
Nephew's wardship On 8 December 1630 Sir Lucas bought the wardship of his nephew Thomas Dillon, 4th Viscount Dillon, who was then 15 years old.
Parliaments of 1634–1635 and 1640–1649 Sir Lucas sat for County Roscommon in the parliaments of 1634–1635 and the Parliament 1640–1649.
Irish Catholic Confederation The Cessation On 15 September 1643 at Sigginstown, Strafford's unfinished house, the Confederates signed a cease-fire with Ormond, called the "Cessation". Sir Lucas was one of the signatories for the Confederates. The Confederates agreed to pay the King £30,000 (about £ in ) in several instalments.
Second Ormond Peace n January 1649, the Second Ormond Peace was signed. The Irish Catholic Confederation was dissolved, and power handed to 12 Commissioners of Trust of which Sir Lucas was one. On 2 August Jones defeated the Irish royalists under Ormond, who had been besieging Dublin, at the Battle of Rathmines.
Death and timeline Dillon died in 1656.
Notes and references
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Important facts
People in Lucas Dillon of Loughglynn's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Lucas Dillon of Loughglynn's
Frequently asked questions
Who was Lucas Dillon of Loughglynn?
17th-century Irish son of a viscount
When was Lucas Dillon of Loughglynn born?
Lucas Dillon of Loughglynn was born in 1579.
When did Lucas Dillon of Loughglynn die?
Lucas Dillon of Loughglynn died in 1656.
Sources & further reading
· Wikipedia: Lucas Dillon of Loughglynn
· DBpedia: Lucas Dillon of Loughglynn
Cite this page
APA: Biography.guide. (2026). Lucas Dillon of Loughglynn. https://biography.guide/lucas-dillon-of-loughglynn/
MLA: "Lucas Dillon of Loughglynn." Biography.guide, https://biography.guide/lucas-dillon-of-loughglynn/.
Chicago: "Lucas Dillon of Loughglynn." Biography.guide. https://biography.guide/lucas-dillon-of-loughglynn/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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