Marquesses of Headfort (1800)
- Thomas Taylour, 1st Marquess of Headfort (1757–1829)
- Thomas Taylour, 2nd Marquess of Headfort (1787–1870)
- Thomas Taylour, 3rd Marquess of Headfort (1822–1894)
- Thomas Taylour, Earl of Bective (1844–1893)
- Geoffrey Thomas Taylour, 4th Marquess of Headfort (1878–1943)
- Terence Geoffrey Thomas Taylour, 5th Marquess of Headfort (1902–1960)
- Thomas Geoffrey Charles Michael Taylour, 6th Marquess of Headfort (1932–2005)
- Thomas Michael Ronald Christopher Taylour, 7th Marquess of Headfort (b. 1959)
The heir apparent is the present holder's son Thomas Rupert Charles Christopher Taylour, Earl of Bective (b. 1989)
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