For starters: and using the Advance Search

HALE - parents Thomas & Olga

17 August 1915 at Lydbrook Primitive Methodist

Frank HALE - parents: Thomas (Coal Miner) & Olga

residence: Joys Green

Baptism (born 9 July 1915)

and

2 September 1924 at West Dean Methodist

Olga Joan HALE - parents: Thomas (Collier) & Olga

born 26 July 1924

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Looking at Gloucestershirebmd : Olga Joan HALE - mother's maiden name: LETCHER