- [S433] Will, Jeremiah Brock, (written on 7 April 1772 and proved in the Prerogative Court of Canterbury on 13 May 1772, registered copy;), PROB 11/977.
- [S153] Baptism, marriage and burial register 1670-1796, St Mary the Virgin, Bocking, Essex, (available online as digital images (SEAX);), D/P 268/1/3., 1740, Brock, John Son of Jeremiah & Jane. Born 9 Dec. Bapt. Privately 24 Do. Recd. Publickly 16 Janry. (Reliability: 3).
- [S192] FamilyHistoryOnline - Pay-per-view databases for England and Wales, Federation of Family History Societies, (www.familyhistoryonline.net;), National Burial Index (Essex SFH): John Brock, 10 Oct 1818, aged 77, Great Easton, St John & St Giles, Anglican, ESS (Reliability: 2).
- [S26] Boyd's Marriage Index, (www.britishorigins.com;), 1735, Jeremy Brock and Jane Peers, Stisted, Essex (Reliability: 2).