
Mark Sykes (1711-1783), who succeeded his brother to the Sledmere estates in 1761 and was created 1st baronet in 1783, was rector of Roos in the East Riding. The papers include his account books [DDSY/98/40, 66; DDSY(4)/5/59], his personal and estate correspondence [DDSY/101/48-51; DDSY(3)/2/19; DDSY(3)/4/1; DDSY(3)/6/2-3, 5; DDSY(3)/7/56-57] and his will [DDSY(3)/7/63-64] [see also DDCV/131/16-21; DDCV/133/24-28; DDCV/154/63-65; DDCV(2)/32/47].
