John Clayden (1805/6–71)
Farmer. Of Littlebury, Saffron Walden, Essex. Member of the Council of the Royal Agricultural Society of England.
Census returns of England and Wales 1861 (The National Archives: Public Record Office RG9/1121/91/20)
England & Wales, national probate calendar (index of wills and administrations), 1858–1966, 1973–95 (Ancestry.com, accessed 15 August 2019)
Journal of the Royal Agricultural Society of England 2d ser. 2 (1866): ii.