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| Plunketts (Earls of Fingall) | |
|---|---|
| Title | Earldom of Fingall |
| Creation date | 1628 |
| Monarch | Charles I of England |
| Peerage | Peerage of Ireland |
| First holder | Luke Plunket, 1st Earl of Fingall |
| Last holder | Luke Plunket, 10th Baron Killeen |
| Extinction date | 1851 |
| Family seat | Killeen Castle |
Plunketts (Earls of Fingall) were a prominent Anglo-Irish aristocratic family whose chief line held the earldom created in the Peerage of Ireland in 1628. The family was intertwined with principal figures and institutions of early modern and modern Ireland, engaging with dynastic networks connected to Tudor conquest of Ireland, the Plantations of Ireland, the Irish Confederate Wars, the Williamite War in Ireland, and the political transformations leading to the Acts of Union 1800. Their social and political presence connected them to peers, bishops, jurists, and military commanders across England, Scotland, and Ireland.
The Plunketts trace descent to Norman and Hiberno-Norman magnates associated with County Meath, with early branches appearing during the era of Norman invasion of Ireland (1169) and interacting with magnates such as the de Lacy family and the Butler dynasty. Notable early members include clerics and judges who served under the Plantagenet and Lancastrian crowns, linking to offices in Dublin and networks including the Privy Council of Ireland and the Irish House of Commons. The family intermarried with houses like the FitzGeralds, Barnewall, Netterville, and Talbot families, creating alliances that tied them into contests involving the Lord Deputy of Ireland and the Lord Lieutenant of Ireland.
The earldom was created by Charles I of England in 1628 for Luke Plunket, 1st Earl of Fingall as part of Crown policy to secure loyalty among Catholic nobility in Ireland during the period of the Court of St James's and the tensions preceding the English Civil War. The title linked to the older barony of Baron Killeen and was embedded in the dynamics around the Royalist cause, the Short Parliament, and later alignments with figures such as Thomas Wentworth, 1st Earl of Strafford and Richard Boyle, 1st Earl of Cork.
Several earls engaged directly with leading personalities of their age. The 1st Earl associated with clerical and legal networks connected to James Ussher and corresponded with families allied to Oliver Cromwell's opponents. Later earls, including the 2nd and 3rd Earls, interacted with Catholic leaders like Peter Valesius Walsh and political actors such as James Butler, 1st Duke of Ormonde and Richard Talbot, 1st Earl of Tyrconnell. During the Glorious Revolution, members of the family had ties to James II of England and the exiled Jacobite court centered on St Germain-en-Laye. In the 18th and 19th centuries, later holders navigated relationships with figures such as William Pitt the Younger, Charles James Fox, Daniel O'Connell, and peers in the Irish House of Lords and the House of Lords at Westminster.
The Plunketts played roles in the Irish Confederate Wars and supported Royalist and Catholic causes, aligning at times with commanders like Thomas Preston, 1st Viscount Tara and Owen Roe O'Neill. They prosecuted estates and legal claims before bodies including the Court of Castle Chamber and engaged in militia affairs that brought them into conflict with officers drawn from the New Model Army and later the forces of William III of England. In parliamentary politics, they took seats in the Parliament of Ireland and affected legislation connected to the Penal Laws (Ireland), the Catholic Committee, and reforms culminating in the Catholic Relief Acts and the Acts of Union 1800 debates.
The principal seat was Killeen Castle, a medieval stronghold and country estate in County Meath that featured in regional disputes involving landlords and tenants, land surveys such as the Down Survey, and estate management practices influenced by figures like Arthur Young and commissioners of the Irish Land Commission. The family's holdings connected them to townships including Navan, Drogheda, and economic centers such as Dublin and markets served via ports like Dún Laoghaire and Belfast. Their architectural patronage engaged builders and architects influenced by styles propagated by Edward Lovett Pearce and landscapers following principles of Lancelot "Capability" Brown-era taste.
The Plunkett arms and the earldom insignia were recorded in heraldic registers maintained by the Office of the Ulster King of Arms and referenced in genealogies compiled by antiquaries such as John Lodwick and Sir William Betham. The earldom descended with subsidiary titles including the Baron Killeen and entailed honours sometimes contested in legal venues like the Court of Chancery (Ireland). Family members held ecclesiastical preferments, legal commissions, and baronies that placed them in the rolls alongside peers like the Earl of Fingal (title name variations avoided here per naming conventions) and neighbors such as the Earl of Meath.
Financial pressures, penal restrictions, political realignments after the Union of Great Britain and Ireland, and the impact of agrarian unrest including actions tied to the Whiteboy movement and later 19th‑century reforms contributed to the contraction of the family's power. The extinction of the earldom in the mid‑19th century followed patterns seen in other Irish peerages affected by inheritance law, debt, and the changes wrought by figures like Robert Peel and Lord Castlereagh in parliamentary reform. The Plunketts' legacy persists in archaeological and architectural records at Killeen Castle (Meath), manuscript collections held in repositories like the National Library of Ireland and the British Library, and in cultural memory recorded by historians such as J. H. Round and later scholars of Irish nobility.