- [S277] Information from Pam Cooper, Grainger descendancy report, 31 December 2004 (Reliability: 2).
- [S277] Information from Pam Cooper, report on the Heath family dated 28 June 2002 (Reliability: 2).
- [S38] 1851 Census - Cambridgeshire and the Isle of Ely, Cambridgeshire Family History Society, (2002;), HO 107/1761 f.468B (Reliability: 3).
John Barton, H, M, 29, Ag Lab, CAM Weston
Ann Barton, Wf, M, 27, CAM Weston
Hannah Heath, Lg, Wid, 83, Pauper, CAM Weston
- [S42] Births, Marriages and Deaths - Cambridgeshire Index Project, Cambridgeshire County Council, (http://www.cambridgeshire.gov.uk/sub/register/cambsindex.htm;), marriage of John Barton and Julia Whitmore, 1857, 331/CE146/01/76/2, Cambridge (Reliability: 3).