antiquesam - just posting this in case there might be a slim chance there's a connection - I know Edith has not been found after her 1920 marriage to John Donaghue - do you think it’s likely she remarried later in life?
Mar
1948 Plymouth F H Ayres/
Edith M DonaghueProbably deaths in Plymouth which seem to match up with the names on 1948 marriage entry - although only the month matches your Edith’s date of birth
Edith Mary Ayres age 71 Birth 9
Nov 1899
Registration
Dec 1971 Plymouth Volume 7a Page 1719
Edith Mary Ayres of
Prospect Rd Devonport died
25 Oct 1971 Probate 28 Dec 1972 Administration London
Frederick Henry Ayres (wife Edith Mary same address)
died 26 Jan 1963 Probate 21 Feb 1963 Probate Registry Bodmin