https://www.freebmd.org.uk/ has three Baggaley births, mother maiden name Smith:
Geoffrey Ecclesall Bierlow 1929
Dorothy Sheffield 1931
Joan Sheffield 1938.
Possibly members of your target family.

Good evening Terry and Barry and many thanks for all that info

Something for me to progress

Roger

Doris is on the 1939 register. With her is son Geoffrey b 1929 and there are no redacted entries. There is another Baggaley Smith marriage in the area in the 1930s so presumably the other 2 belong to them.
Dave

https://probatesearch.service.gov.uk/ has some information about the 1949 probate file of John Wilfred Baggaley of 4 Khartoum Road. Widow's name is Doris Sylvia.

Hi Terry and thanks for a very informative response

Roger