Sir Mark Sykes, 1st Baronet

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Sir Mark Sykes, 1st Baronet (9 May 1711 - 14 September 1783) was a priest in the Church of England, Rector of Roos in the East Riding of Yorkshire.{{cite book|author=Lodge, Edmund|url=https://books.google.com/books?id=Nw4wAAAAYAAJ&pg=PA837|title=The genealogy of the existing British peerage and baronetage: containing the family histories of the nobility. With the arms of the peers|publisher=Hurst and Blackett|year=1859|page=837}} Sykes was created a baronet in 1783, shortly before his death; the baronetcy was originally designed for his son Christopher, who insisted it be conferred upon his father.{{cite book | title=The Big House | author=Christopher Simon Sykes | year=2004 | page=57}}

He married Decima Woodham, daughter of Twyford Woodham of Ely on 9 March 1735.[http://www.stirnet.com/main/index.php?option=com_wrapper&Itemid=79&startUrl=http://www.stirnet.com/HTML/genie/british/ss4tz/sykes01.htm Stirnet] Their marriage bore them a son, Sir Christopher Sykes, 2nd Baronet.

In 1761 he inherited Sledmere House and its large estate from his elder brother, Sir Richard Sykes. He was succeeded by his son, Christopher.