Thomas Watt Gregory (1861–1933), American attorney and United States Attorney General
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Tom Gregory (1927–2006), American radio and television announcer and news anchor
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Gregory Peck | 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 | Thomas Tallis | Thomas Paine | Roy Thomas | Gregory of Tours | Thomas Telford | Thomas More | Order of St. Gregory the Great | Gregory Bateson | Thomas Wentworth, 1st Earl of Strafford | Ryan Thomas |
Tom Parry (Thomas Gregory Parry), Australian economist and public servant