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
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 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.
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.