1. They had 3 boarders at the time of the 1861 census; [Note Record]
2. (Research):1851 census gives Richard's age as 53 (1797-8) but his christening was 1796. The 1841 census rounds his age down to 45 (nearest 5 years) which infers 1796-1800; [Note Record]
i. Public Record Office, "Census Returns of England and Wales, 1841"; Page HO107 865 p24-25; [Source Record]; Certainty Primary Evidence
ii. England and Wales, birth/marriage/death certificate; General Register Office, Southport.; Page Death/Basford/Arnold/1860/88; [Source Record]; Certainty Unknown ('4')
iii. "Census Returns of England and Wales, 1851." online database.; Page (accessed 13 Jan 2020), entry for Richard Blacknell 181, Calverton; [Source Record]; Certainty Primary Evidence
iv. Research by Ronald Blacknell [208]; [Source Record]
v. England and Wales, birth/marriage/death certificate; General Register Office, Southport.; Page Death/Basford/Arnold/1840/9; [Source Record]; Certainty Unknown ('4')
vi. "Marriage register for the parish of Woodborough in Nottinghamshire covering 1837-1901," transciption, Society of Genealogists; Page accessed 13 Jan 2020), Entry for Richard Blacknell & Elizabeth Pike.; [Source Record]; Certainty Secondary Evidence
vii. Public Record Office, "Census Returns of England and Wales, 1861"; Page PRO RG9/2444 f14 p21; [Source Record]; Certainty Primary Evidence
viii. "Census Returns of England and Wales, 1871." online database.; Page entry for Richard Blacknall household, Calverton, Nottinghamshire; [Source Record]; Certainty Primary Evidence