| Sources |
- [S1691] Census 1901 Great Brickhill, Bedfordshire, UK RG13-1359-69-3 (Head is George F Sinfield.), (RG13-1359-69-3) (Reliability: 2), 31 Mar 1901.
- [S4] CRI, Mar 1899, Newport Pagnell, vol 3a, p847 (Reliability: 3), 6 Apr 2011.
- [S2] Parish Records, MK library, film 115, PR 25/1/6 (Reliability: 3), 1 Apr 2011.
- [S1692] Census 1911 Fenny Stratford, Buckinghamshire, UK RG14-PN7979 RG78PN401 RD148 SD1 ED11 SN92 (Head is George F Sinfield.), (RG14-PN7979 RG78PN401 RD148 SD1 ED11 SN92) (Reliability: 2), 2 Apr 1911.
- [S2] Parish Records, MK library, film 116, PR 25/1/14 (Reliability: 3), 31 Mar 2011.
- [S4] CRI, Sep 1897, Newport Pagnell, vol 3a, p1366 (Reliability: 3), 31 Mar 2011.
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