Will of John Birnand of Knaresborough, 5 February 1565/6
Will of John Bonner, Otley, 12 August 1556
Will of John Bosswell, Sherburn, 28 September 1557
Will of John Boswell, Shirburne, 1510
Will of John Bowes, Babthorpe, 25 February 1655/6
Will of John Boy, Halifax, 10 April 1557
Will of John Bramham, Ledston p. Ledsham, 1 October 1546
Will of John Brompton, Beverley, 31 July 1444
Will of John Broune, York, 19 January 1492/3
Will of John Browne, Wakefield, 23 April 1550
Will of John Bucktrowte, Aberford, 19 January 1548
Will of John Bulmer, Bulmer, 26 November 1441
Will of John Burland, York, 12 December 1550
Will of John Burton, York, 1464
Will of John Busby, Tentergate, 22 August 1526
Will of John Byrkebeck, Ripley, 3 March 1558
Will of John Bywater, Fairburn p. Ledsham, 16 December 1551
Will of John Bywater, Little Preston p. Kippax, 12 November 1556
Will of John Cardell, York, 12 June 1441
Will of John Carlele, York, 3 November 1391
Will of John Carleton, Riccall, 16 November 1436
Will of John Carre, York, 20 April 1488
Will of John Carre, York, 2 April 1488
Will of John Chaice, South Cave, 1574, South Cave Peculiar
Will of John Chelloye, bur. Sherburn, 18 December 1560
Will of John Childe, York, 14 June 1481
Will of John Claghton, Bramley p. Leeds, 12 November 1556
Will of John Clarvax, Ryvax, 9 May 1511
Will of John Clerke, Ovenden, 21 September 1542
Will of John Clerk, York, 24 July 1451
Will of John Clyff, York, 9 July 1456
Will of John Colynson of Stavelay, 1563
Will of John Couper, York, 6 December 1505
Will of John Cowper, York, 12 October 1518
Will of John Crabtre, Halifax, 8 February 1526
Will of John Crosley, Heptonstall, 23 August 1547
Will of John Crosley, Kilnehirst, 11 July 1521
Will of John Daille, Attercliff p. Sheffield, 7 July 1547
Will of John Dalton, Hull, 7 September 1496
Will of John Dawson, Sherburn, 15 February 1531
Will of John Dearlove, Tentergaitt, 3 April 1588
Will of John de Boothby, Ryhill in Holderness, 7 May 1390
Will of John de Burgh, Halifax, 5 October 1402
Will of John de Harpham, Owthorne, 8 November 1348
Will of John de Harwod, York, 20 September 1406
Will of John de Kexby, York, 4 February 1389/90
Will of John de Meaux, Bewick in Holderness, 1377
Will of John Dene, Ripon, 11 April 1435
Will of John de Nevill, Raby, 1386