On his WW1 pension form Oaty says he was born Notting Hill London c 1881
His and Ada's children from the GRO index reg dist Rochford
Ocean 1911, Alban born 1913, Brittania 1915 and one not named on the pension record Richenda 1916. However Richenda doesn't show on FreeBMD.
There is one born 1926 Rochford mother's maiden name Bignell.
Added:- on FreeBMD Richends'a birth Dec 1/4 1915 is recorded as Richend(as)