Duncan baronets
There have been three baronetcies created for individuals with the surname Duncan, one in the Baronetage of Great Britain and two in the Baronetage of the United Kingdom. All three creations are now extinct.
The Duncan Baronetcy, of Marylebone County of Middlesex, was created in the Baronetage of Great Britain on 9 August 1764 for [Sir Sir William Duncan, 1st Baronet|William Duncan, 1st Baronet|William Duncan], who served as physician-extraordinary to King George III. He was the uncle of Admiral Adam Duncan, 1st Viscount Duncan. The title became extinct upon Duncan's death in 1774, as he was childless.
The Duncan Baronetcy, of Horsforth Hall in the Parish of Guiseley, West Riding of the County of York, was created in the Baronetage of the United Kingdom on 9 December 1905 for William Duncan. He had contested Pudsey as a Conservative in the 1885 general election, but lost to Briggs Priestley. The title became extinct upon the death of the third Baronet in 1964.
The Duncan Baronetcy, of Jordanstone in the County of Perth, was created in the Baronetage of the United Kingdom on 24 July 1957 for James Duncan, Member of Parliament for Kensington North and Angus South. The title became extinct upon his death in 1974.
Duncan baronets, of Marylebone (1764)
Duncan baronets, of Horsforth Hall (1905)
- Sir Surr William Duncan, 1st Baronet
- Sir Frederick William Duncan, 2nd Baronet
- Sir Charles Edgar Oliver Duncan, 3rd Baronet