- [S205] FreeBMD, (www.freebmd.org.uk;), birth registration of Sidney Mallyon, Fordham, Linton 3b 839, September quarter 1911 (Reliability: 3).
- [S112] Civil Registration Death Indexes 1837-, General Register Office, death registration of Sidney Mallyon, born 31 May 1911, Nov 1993, Cambridge B29C 3311B 230 (Reliability: 2).
- [S73] The Parish Registers of St Mary Linton, (transcript, Cambridgeshire Family History Society, CD-ROM, 2005;), baptism of June Irene Mallyon, of Sidney & Edna Mary of 43 Balsham Rd, Linton agricultural worker born 5 Jun, 31 Jul 1949 (Reliability: 2).
- [S205] FreeBMD, (www.freebmd.org.uk;), marriages of Albert Mallyon and Florence Elizabeth Fordham share reference Wandsworth 1d 1184, June quarter 1903 (Reliability: 2).
- [S67] Hildersham, Cambridgeshire - Transcript of Parish Register, (Cambridgeshire Family History Society, CD-ROM CD/PR/030 Version 1.0, 2007;), marriage banns for Albert Mallyon bac otp & Florence Elizabeth Fordham sp of Streatham, 22 Mar 1903 (Reliability: 3).
- [S113] Civil Registration Marriage Indexes, General Register Office, (1837-;), marriage of Sidney Mallyon & Edna M. Fordham, Saffron W. 4a 2539, December quarter 1936 (Reliability: 3).