i. "Census Returns of England and Wales, 1851." online database.; Page (accessed 30 Aug 2018), entry for Joseph Blankley household, Mansfield Woodhouse; HO107/2123; [Source Record]; Certainty Primary Evidence
ii. "Census Returns of England and Wales, 1861." online database.; Page (accessed 30 Aug 2018), entry for Josiah Blankley household, Mansfield Woodhouse; RG9/2423; [Source Record]; Certainty Primary Evidence
iii. General Register Office, Southport; Page entry for Harriett Blankley, volume 15, page 534, Q1 quarter 1848, Mansfield district;; [Source Record]; Certainty Secondary Evidence
iv. Marriage Certificates.; Page marriage certificate for Josiah Blacknell and Harriet Harrison Blankley, married 14 Jul 1873; citing /245, Nottingham registration district; [Source Record]; Certainty Unknown ('4')
v. Public Record Office, "Census Returns of England and Wales, 1881"; Page RG11 f3343/17 p27; [Source Record]; Certainty Secondary Evidence
vi. "Census Returns of England and Wales, 1891." online database.; Page (accessed 9 Dec 2012), Radford, St Paul, Nottingham; Class: RG12; Piece: 2689; Folio: 96; Page: 25; GSU roll: 6097799; [Source Record]; Certainty Primary Evidence
vii. "Census Returns of England and Wales, 1911." online database.; Page (accessed 22 Aug 2018), entry for Josiah Blacknell household, 14 Bobbers Mill Road, Nottingham; RD 430, SD 4, ED 13, SN 188; [Source Record]; Certainty Primary Evidence
viii. "Census Returns of England and Wales, 1901." online database.; Page (accessed 30 Aug 2018), entry for Josiah Blacknell household, Hyson Green, Nottingham; RG13/3184; [Source Record]; Certainty Primary Evidence
ix. England & Wales, Deaths Index.; Page 1932 Q4." 7B, 344, Harriett Blacknell, accessed 22 Aug 2018.; [Source Record]; Certainty Secondary Evidence