The title Baron Vaux of Harrowden was created in the Peerage of England in 1523. In 1663, it fell into abeyance upon the death of the fifth Baron. The Sovereign terminated the abeyance in 1838 in favour of George Mostyn, but it again became abeyant in 1935. In 1938, the abeyance was terminated for a second time, this time in favour of Grace Gilbey, the only woman to hold the barony.

Barons Vaux of Harrowden (1523)

• Nicholas Vaux, 1st Baron Vaux of Harrowden (c. 1460_1523)
• Thomas Vaux, 2nd Baron Vaux of Harrowden (1509_1556)
• William Vaux, 3rd Baron Vaux of Harrowden (1535_1595)
• Edward Vaux, 4th Baron Vaux of Harrowden (1588_1661)
• Henry Vaux, 5th Baron Vaux of Harrowden (1591_1663) (abeyant 1663)
• George Charles Mostyn, 6th Baron Vaux of Harrowden (1804-1883) (abeyance terminated 1838)
• Hubert George Charles Mostyn, 7th Baron Vaux of Harrowden (1860-1935) (abeyant 1935)
• Grace Mary Eleanor Gilbey, 8th Baroness Vaux of Harrowden (1887-1958)
• Peter Hubert Gordon Gilbey, 9th Baron Vaux of Harrowden (1914-1977)
• John Hugh Philip Gilbey, 10th Baron Vaux of Harrowden (1915-2002)
• Anthony William Gilbey, 11th Baron Vaux of Harrowden (b. 1940)