Sir Thomas Barrett-Lennard, 1st Baronet (1761–1857), British politician, MP for Essex South 1832–1835
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Thomas Mann | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Dylan Thomas | Thomas Pynchon | St. Thomas | Saint Thomas, U.S. Virgin Islands | Thomas Carlyle | Thomas the Tank Engine | Thomas Moore | Thomas Cromwell | Thomas Becket | Thomas the Apostle | Thomas Merton | Syd Barrett | Thomas Tallis | Thomas Paine | Roy Thomas | Thomas Telford | Thomas More | Thomas Wentworth, 1st Earl of Strafford | Ryan Thomas | C. Thomas Howell | Thomas Kean | Thomas Gage |
He was the son of Sir Fiennes Cecil Arthur Barrett-Lennard, Chief Justice of Jamaica, son of Captain Thomas George Barrett-Lennard, son of the first marriage George Barrett-Lennard, son of John Barrett-Lennard, second son of the first Baronet.
He was the fifth son of Sir Thomas Barrett-Lennard, 1st Baronet, and Dorothy St. Aubyn and a grandson of Baron Dacre of Belhus in County Essex, England.
They had one son, Hugh, who subsequently inherited the Barrett-Lennard baronetcy.
His mother, Elaine Baptiste was from Willikies, Antigua, while his father, Lennard Baptiste, was originally from the town of Castle Bruce, Dominica.
Barrett-Lennard's father, Sir Fiennes Cecil Arthur Barrett-Lennard (1880–1963), was a British soldier, who fought in the Boer War and in East Africa in the First World War, and became a judge in Malaya, then Johore and Kedah, and finally Chief Justice of Jamaica.
The most valuable item in the collection was a portrait of Thomas Barrett-Lennard, 17th Lord Dacre, with his wife and daughter by Pompeo Batoni which was valued at £2.5m.
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In 1922, the collection included portraits of Charles I and Catherine Mildmay, both by Cornelis Janssens van Ceulen, but these are not included in the Essex Record Offic List.
Leslie Stuart (1863–1938), English composer, born Thomas Barrett
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Thomas J. Barrett, former U.S. Deputy Secretary of Transportation and Administrator of the Pipeline and Hazardous Materials Safety Administration (PHMSA); retired Vice Admiral USCG
The electrostatic interaction is modeled using Coulomb's law and the dispersion and repulsion forces using the Lennard-Jones potential.
Thomas Robert Keppel (1811 – 1863), married Frances Barrett-Lennard, daughter of Sir Thomas Barrett-Lennard, 1st Baronet and had issue.