- [S108] 1901 Census Returns of England and Wales, General Register Office, (31 March 1901;), RG 13., RG 13/1264 f.38 p.10 (Reliability: 3).
20 Herbert Road, Edmonton, Middlesex (3 rooms)
Lawrence Mongor, Head, M, 26, Carpenters Labourer, Worker, Kent Dover
Annie Mongor, Wife, M, 28, Kent Dover
William C Mongor, Son, 5, Kent Dover
Winifred M Mongor, Daur, 3, London Battersea
Mabel F Mongor, Daur, 1, London Clapham
Frederick Mongor, Son, 4 mos, Middx Edmonton
- [S112] Civil Registration Death Indexes 1837-, General Register Office, death registration of Frederick Mongor, born 11 Nov 1900, July 1987, Salisbury 23 1889 (Reliability: 3).
- [S205] FreeBMD, (www.freebmd.org.uk;), marriage of Lawrence Eustace Mongor & Annie Maria Johnson share reference Dover 2a 1696, September quarter 1895 (Reliability: 3).
- [S205] FreeBMD, (www.freebmd.org.uk;), marriage of Frederick Mongor & Edith O Osborne, Steyning 2b 431, March quarter 1922 (Reliability: 3).