St John baronets, of Longthorpe (1715)
- Sir Francis St John, 1st Baronet (c. 1680–1756)
- Title extinct.
There have been four baronetcies created for persons with the surname St John, two in the Baronetage of England and two in the Baronetage of Great Britain. Three of the creations are extant as of 2008.
The St John Baronetcy, of Lydiard Tregoze in the County of Wiltshire, was created in the Baronetage of England on 22 May 1611. [1] For more information on this creation, see Viscount Bolingbroke and St John.
The St John Baronetcy, of Woodford in the County of Northampton, was created in the Baronetage of England on 28 June 1660. For more information on this creation, see Baron St John of Bletso.
The St John Baronetcy, of Longthorpe in the County of Northampton, was created in the Baronetage of Great Britain on 10 September 1715 for Francis St John. The title became extinct on his death in 1756.
The St John, later St John-Mildmay Baronetcy, of Farley in the County of Southampton, was created in the Baronetage of Great Britain on 9 October 1772. For more information on this creation, see St John-Mildmay baronets.
Baron FitzWalter is an ancient title in the Peerage of England. It was created on 24 June 1295 for Robert FitzWalter. The title was created by writ, which means that it can descend through both male and female lines.
Baron St John of Bletso, in the County of Bedford, is a title in the Peerage of England. It was created in 1582 for Oliver St John.
Viscount Bolingbroke is a current title in the Peerage of Great Britain created in 1712 for Henry St John. He was simultaneously made Baron St John, of Lydiard Tregoze in the County of Wilts. Since 1751, the titles are merged with the titles of Viscount St John and Baron St John in the same peerage.
Earl of Lonsdale is a title that has been created twice in British history, firstly in the Peerage of Great Britain in 1784, and then in the Peerage of the United Kingdom in 1807, both times for members of the Lowther family.
Earl of Verulam is a title in the Peerage of the United Kingdom. It was created in 1815 for James Grimston, 4th Viscount Grimston. He was made Viscount Grimston at the same time. Verulam had previously represented St Albans in the House of Commons. In 1808 he had also succeeded his maternal cousin as tenth Lord Forrester. He was succeeded by his son, the second Earl.
Viscount Grandison, of Limerick, is a title in the Peerage of Ireland. It was created in 1620 for Sir Oliver St John, the Lord Deputy of Ireland. He was the descendant and namesake of Oliver St John, whose elder brother Sir John St John was the ancestor of the Barons St John of Bletso and the Earls of Bolingbroke. Moreover, St John's nephew Sir John St John, 1st Baronet, of Lydiard Tregoze, was the ancestor of the Viscounts Bolingbroke and the Viscounts St John.
There have been seven baronetcies created for members of the Lowther family, one in the Baronetage of Nova Scotia, two in the Baronetage of England, two in the Baronetage of Great Britain and two in the Baronetage of the United Kingdom. Two of the creations are extant as of 2008.
Baron Masham is a title that has been created three times, once in the Peerage of Great Britain and twice in the Peerage of the United Kingdom. It was first created in the Peerage of Great Britain in 1712 when the courtier Samuel Masham was made Baron Masham, of Otes. In 1723 he also succeeded as fourth Baronet of High Lever. The barony became extinct on the death of the second Baron in 1776. The Masham baronetcy, of High Lever in the County of Essex, was created by James I in the Baronetage of England on 20 December 1621 for Samuel Masham. The third Baronet was Member of Parliament for Essex. The baronetcy became extinct along with the barony in 1776.
There have been ten baronetcies created for persons with the surname Browne, six in the Baronetage of Great Britain, three in the Baronetage of Ireland and one in the Baronetage of Nova Scotia. Only one creation is extant as of 2010. Three of the creations were for members of the Browne family headed by the Viscount Montagu.
There have been six Baronetcies created for persons with the surname Brown, one in the Baronetage of Nova Scotia, one in the Baronetage of England, two in the Baronetage of Great Britain and two in the Baronetage of the United Kingdom. Two creations are extant as of 2010.
There have been three baronetcies created for members of the Grey family, one in the Baronetage of England, one in the Baronetage of Great Britain and one in the Baronetage of the United Kingdom. Two of the creations are extant as of 2007.
There have been two baronetcies created for members of the Knightley family, one in the Baronetage of England and one in the Baronetage of Great Britain. Both creations are extinct. The Knightley family originated at the Staffordshire manor of Knightley, acquired by them shortly after the Norman Conquest of 1066. In 1415 Sir Richard Knightley purchased the manor of Fawsley in Northamptonshire, where the senior line of the family became seated.
There have been nine baronetcies created for persons with the surname Lloyd, three in the Baronetage of England, three in the Baronetage of Great Britain and three in the Baronetage of the United Kingdom. Two of the creations are extant as of 2010.
There have been six baronetcies created for persons with the surname Brooke, one in the Baronetage of England, one in the Baronetage of Ireland and four in the Baronetage of the United Kingdom. As of 2015 four of the creations are extant, though one has been subsumed into a peerage.
There have been four baronetcies created for persons with the surname Holland, one in the Baronetage of England and three in the Baronetage of the United Kingdom.
There have been four baronetcies created for members of the Welsh Philipps family, one in the Baronetage of England and three in the Baronetage of the United Kingdom.
There have been seven baronetcies created for persons with the surname Watson, one in the Baronetage of England, one in the Baronetage of Great Britain and five in the Baronetage of the United Kingdom. One creation is extant as of 2016.
There have been seven baronetcies created for persons with the surname Sinclair, six in the Baronetage of Nova Scotia and one in the Baronetage of Great Britain. Four of the creations are extant as of 2008.
There have been four baronetcies created for members of the ancient House of Beaumont, all in the Baronetage of England. All four creations are extinct or dormant.
There have been two baronetcies created for persons with the surname Mildmay, one in the Baronetage of England and one in the Baronetage of Great Britain. Both are extinct.