It was created on 1 January 1712 for Sir Thomas Mansel, 5th Baronet, previously Member of Parliament for Cardiff and Glamorganshire.
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Baron | Thomas Mann | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Dylan Thomas | Thomas Pynchon | St. Thomas | Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Saint Thomas, U.S. Virgin Islands | Herbert Kitchener, 1st Earl Kitchener | Thomas Carlyle | Thomas the Tank Engine | Charles Cornwallis, 1st Marquess Cornwallis | Thomas Moore | Thomas Cromwell | Thomas Becket | 1st United States Congress | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | Thomas the Apostle | Thomas Merton | William Cecil, 1st Baron Burghley | Thomas Tallis | Thomas Paine |