Thomas St Lawrence, 3rd Earl of Howth KP (16 August 1803 – 4 February 1874) was an Irish peer, styled Viscount St Lawrence until 1822.
He became Earl of Howth in 1822 on the death of his father, William St Lawrence, 2nd Earl of Howth. He was Vice-Admiral of the Coast of Leinster, and was appointed a Knight of the Order of St Patrick on 22 July 1835 and Lord Lieutenant of County Dublin in 1851.
On 9 January 1826, he married Lady Emily, daughter of John de Burgh, 13th Earl of Clanricarde. She died of measles in 1842 in Dublin. On 27 February 1851, he married Henrietta Elizabeth Digby Barfoot (d. 5 March 1884). When he died in the south of France in 1874, he was succeeded by his son by his first marriage, William.
Emily FitzGerald, Duchess of Leinster, known before 1747 as Lady Emily Lennox, from 1747 to 1761 as The Countess of Kildare and from 1761 to 1766 as The Marchioness of Kildare, was the second of the famous Lennox sisters, daughters of Charles Lennox, 2nd Duke of Richmond and his wife, Sarah Cadogan.
John Winston Spencer-Churchill, 7th Duke of Marlborough,, styled Earl of Sunderland from 1822 to 1840 and Marquess of Blandford from 1840 to 1857, was a British Conservative cabinet minister, politician, peer, and nobleman. He was the paternal grandfather of Prime Minister Sir Winston Churchill.
Lieutenant-General James FitzGerald, 1st Duke of Leinster, PC (Ire), styled Lord Offaly until 1744 and known as The Earl of Kildare between 1744 and 1761 and as The Marquess of Kildare between 1761 and 1766, was an Irish nobleman, soldier and politician.
Earl of Howth was a title in the Peerage of Ireland. It was created in 1767 for Thomas St Lawrence, 15th Baron Howth, who was elevated to Viscount St Lawrence at the same time, also in the Peerage of Ireland. The St Lawrence family descended from Christopher St Lawrence who was elevated to the Peerage of Ireland as Baron Howth in about 1425. The third and fourth Barons both served as Lord Chancellor of Ireland. The family's origins are thought to go back to Almeric Tristram, a liegeman of the Anglo-Irish knight John de Courcy, who conquered Howth in 1177.
Richard Edmund St Lawrence Boyle, 9th Earl of Cork and Orrery KP, PC, styled Viscount Dungarvan between 1834 and 1856, was a British courtier and Liberal politician. In a ministerial career spanning between 1866 and 1895, he served three times as Master of the Buckhounds and twice as Master of the Horse.
Thomas Henry Liddell, 1st Baron Ravensworth, known as Sir Thomas Liddell, 6th Baronet, from 1791 to 1821, was a British peer and Tory politician.
William Richard Annesley, 3rd Earl Annesley was an Anglo-Irish noble and British Member of Parliament.
General Edmund Boyle, 8th Earl of Cork and Orrery KP, styled Viscount Dungarvan from 1768 to 1798, was an Irish soldier and peer.
George Thomas John Nugent, 1st Marquess of Westmeath, styled Lord Delvin between 1792 and 1814 and known as The Earl of Westmeath between 1814 and 1821, was an Irish peer.
Lucas More Plunket of Killeen, County Meath, styled Lucas Môr, tenth lord Killeen, created Earl of Fingall on 26 September 1628, was an Irish peer.
Sir Henry Osborne, 11th Baronet, MP, was an Irish baronet and politician.
Nicholas St Lawrence, 4th Baron Howth was a leading Irish soldier and statesman of the early Tudor period, who held the office of Lord Chancellor of Ireland.
Christopher St Lawrence, 8th Baron Howth was an Irish politician and peer. He was a member of the Privy Council of Ireland, and played a leading part in the Government of Ireland in the 1560s; but he later went into opposition and was imprisoned as a result. He was nicknamed the Blind Lord.
Nicholas St. Lawrence, 9th Baron Howth (c.1550–1607) was a leading member of the Anglo-Irish nobility in the late sixteenth and early seventeenth centuries. Despite openly professing his Roman Catholic faith, he enjoyed the trust of Elizabeth I and of successive Lord Deputies of Ireland, and was even forgiven by the English Crown for signing a petition against the Penal Laws.
Nicholas St Lawrence, 11th Baron Howth (1597–1643) was an Anglo-Irish nobleman of the seventeenth century. The Lords of Howth for over a century had played a crucial role in Irish politics; but Nicholas, unlike many of his ancestors, preferred a quiet domestic life. During the English Civil War, his loyalty to the English Crown led to the forfeiture of much of his estates, and the troubles he endured during the conflict are said to have hastened his death.
William St Lawrence, 12th Baron Howth (1628–1671) was an Irish nobleman of the Restoration period. He was an intelligent and popular man who would undoubtedly have played an influential role in Irish politics had it not been for his premature death.
Thomas St Lawrence, 13th Baron Howth (1659–1727) was an Irish nobleman of the later Stuart and early Georgian era.
Richard St Lawrence, 7th Baron Howth (c.1510-1558) was an Anglo-Irish nobleman and military commander of the Tudor era.
William St Lawrence, 14th Baron Howth (1688-1748) was an Irish peer and politician, who enjoyed the friendship of Jonathan Swift.
The Earl of Meath
| Lord Lieutenant of County Dublin |
The Viscount Monck
|Peerage of Ireland|
William St Lawrence
| Earl of Howth |
William St Lawrence