Mackworth baronets of The Gnoll (1776)

• Sir Herbert Mackworth, 1st Baronet (1737–1791).^[2][5][3][8]
• Sir Robert Humphrey Mackworth, 2nd Baronet (1764–1795)^[2][5]
• Sir Digby Mackworth, 3rd Baronet (1766–1838), of Glen Usk, Monmouthshire^[2][5]
• Sir Digby Mackworth, 4th Baronet (1789–1852)^[2][5]
• Sir Digby Francis Mackworth, 5th Baronet (1817–1857)^[2][5]
• Sir Arthur William Mackworth, 6th Baronet (1842–1914)^[2][5][9]
• Sir Humphrey Mackworth, 7th Baronet (1871–1948)^[5][10]
• Sir Harry Llewellyn Mackworth, 8th Baronet (1878–1952)^[5][7]
• Sir David Arthur Geoffrey Mackworth, 9th Baronet (1912–1998)^[11]
• Sir Digby John Mackworth, 10th Baronet (1945–2018)^[12]
• Sir Alan Keith Mackworth, 11th Baronet (born 1945), emeritus Professor of Computer Science, University of British Columbia.^[13][14]

The heir presumptive is Hugh Francis Mackworth (born 1958), brother of the 11th Baronet.^[13]

• Geoffrey Mackworth (1879–1952), fifth son of the 6th Baronet, was a vice-admiral in the Royal Navy.^[5][15]
• Philip Herbert Mackworth (1897–1958), great-grandson of Herbert Mackworth, second son of the 3rd Baronet, was an air vice-marshal in the Royal Air Force.^[5][16]