In 1896 the house was investigated by John Crichton-Stuart, 3rd Marquess of Bute with the assistance of paranormal researchers from the Society for Psychical Research.
The park is named after the 3rd Marquess of Bute, whose family resided in the castle.
The Western Mail was founded in 1869 by the 3rd Marquess of Bute as a Conservative newspaper.
3rd Rock from the Sun | Charles Cornwallis, 1st Marquess Cornwallis | South Carolina's 3rd congressional district | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Marquess | Michigan's 3rd congressional district | Thomas Fairfax, 3rd Lord Fairfax of Cameron | 3rd United States Congress | Fernando Álvarez de Toledo, 3rd Duke of Alba | 3rd arrondissement of Marseille | Francis Rawdon-Hastings, 1st Marquess of Hastings | Richard Wellesley, 1st Marquess Wellesley | Marquess of Bute | Isle of Bute | Wills Hill, 1st Marquess of Downshire | James Broun-Ramsay, 1st Marquess of Dalhousie | Henry John Temple, 3rd Viscount Palmerston | David Cecil, 6th Marquess of Exeter | Thomas Radclyffe, 3rd Earl of Sussex | Robert Grosvenor, 1st Marquess of Westminster | Richard of York, 3rd Duke of York | John Stuart, 3rd Earl of Bute | Henry Paget, 1st Marquess of Anglesey | Frederick Hervey, 8th Marquess of Bristol | Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava | Alabama's 3rd congressional district | 3rd Battalion | William Cavendish-Bentinck, 3rd Duke of Portland | Victor Hervey, 6th Marquess of Bristol | Sir Frederick Pollock, 3rd Baronet |