Sir John Delaval, 3rd Baronet

{{Short description|English politician (1654–1729)}}

{{Use dmy dates|date=March 2022}}

Sir John Delaval, 3rd Baronet (7 November 1654 – 4 June 1729{{cite web |url=http://www.leighrayment.com/baronetage/baronetsD1.htm |archive-url=https://web.archive.org/web/20080501224840/http://www.leighrayment.com/baronetage/baronetsD1.htm |archive-date=1 May 2008 |title=Leigh Rayment – Baronetage |url-status=usurped |access-date=3 April 2009 }}), was an English politician.

He was the fifth son of Sir Ralph Delaval, 1st Baronet, and his wife Anne Leslie, daughter of the 1st Earl of Leven.{{cite book |last=Kimber |first=Edward |publisher=Thomas Wotton |editor=Richard Johnson |title=The Baronetage of England: Containing a Genealogical and Historical Account of All the English Baronets |volume=III |year=1771 |location=London |page=176 }} Delaval succeeded his older brother Ralph as baronet in 1696.{{cite book |last=Burke |first=John |editor=John Bernhard Burke |title=A Genealogical and Heraldic History of the Extinct and Dormant Baronetcies of England, Ireland and Scotland |publisher=Scott, Webster, and Geary |location=London |edition=2nd |year=1841 |page=156 }}

Delaval sat as Member of Parliament (MP) for Morpeth from 1701 until 1705.{{cite web |url=http://www.leighrayment.com/commons/Mcommons3.htm |archive-url=https://web.archive.org/web/20090810231651/http://www.leighrayment.com/commons/Mcommons3.htm |archive-date=10 August 2009 |title=Leigh Rayment – British House of Commons, Morpeth |url-status=usurped |access-date=3 April 2009 }} Subsequently, he represented Northumberland in the Parliament of England until 1707 and then in the Parliament of Great Britain until 1708.{{cite web |url=http://www.leighrayment.com/commons/Ncommons3.htm |archive-url=https://web.archive.org/web/20090810231447/http://www.leighrayment.com/commons/Ncommons3.htm |archive-date=10 August 2009 |title=Leigh Rayment – British House of Commons, Northumberland |url-status=usurped |access-date=3 April 2009 }} Because of financial problems, he had to sell the family's estates to his cousin Admiral George Delaval.{{cite book |url=https://books.google.com/books?id=ZXPqAAAAMAAJ |title=The country houses of Sir John Vanbrugh |first=Jeremy |last=Musson |year=2008 |publisher=Aurum |page=129 |isbn=978-1845130978}} With his death in 1729, the baronetcy is presumed to have devolved to his son Thomas and thereafter to have become extinct.{{cite book |last=Courthope |first=William |author-link=William Courthope (officer of arms) |title=Synopsis of the Extinct Baronetage of England |publisher=G. Woodfall |location=London |year=1835 |page=61 }}