In the October to December 1917 birth index Joyce B. Symondson, Pancras, London, volume 1b, page 145.

In the 1921 census 1 Dundee Place, St. Pancras, London
Head Alfred Henry Symondson, age 33 years 8 months, married, civil servant (warehouseman) employer controller of stores G.P.O Somerset House W.C.
Wife Florence Symondson, age 30 years 9 months, born London, household duties
Daughter Florence Violet May Symondson, age 9 years 1 months, born St. Pancras, London, whole time at school
Daughter Joyce Belle symondson, age 3 years 8 months, born St. Pancras, London


1939 England and Wales Register
38 Selbourne Gardens, Hendon, Middlesex
1. Alfred H. Symondson, born October 17 1887, married, superintendent warehouseman Post Office stores department
record officially closed
2. Florence Symondson, born September 3 1890, married, unpaid domestic duties
3. Joyce B. Symondson, born October 10 1917, single, general clerk

In the July to September 1945 marriage index Joyce B. Symondson and George H. Allan, Hendon, Middlesex, volume 3a, page 1808.