- [S205] FreeBMD, (www.freebmd.org.uk;), birth registration of Percy James St C Beaumont, Chesterton 3b 486, June quarter 1889 (Reliability: 2).
- [S107] 1891 Census Returns of England and Wales, General Register Office, (5 April 1891;), RG 12/1285 f.140 p.7 (Reliability: 3).
1, Coronation Buildings (Coronation St.), St Andrew the Less, Cambridge, Cambridgeshire (4 rooms)
Lilly Osborne, Head, M, 21, Cambridge
Percy Osborne, son, 2, Cambridge
Mary Beaumont, mother, M, 38, Cambs Westwratting
- [S205] FreeBMD, (www.freebmd.org.uk;), marriages of Percy James S Beaumont & Louisa Hills share reference Cambridge 3b 1127, December quarter 1909.