« Reply #1 on: Tuesday 21 March 23 19:34 GMT (UK) »
have you tried searching with her married surname and looking for an entry which also mentions Strange.
I can see a possible entry that gives her dob as 8 Dec 1919 which would match a birth reg in dec qtr 1919 Bedwellty mmn Head.
Cornwall: Allen, Bevan, Bosisto, Carnpezzack, Donithorn, Huddy, James, Retallack, Russell, Vincent, Yeoman
Cards: Thomas (Llanbadarn Fawr)
Glam: Bowler, Cram, Galloway, James, Thomas, Watkins
Lincs: Coupland, Cram
Mon: Cram, Gwyn, John, Philpot, Smart, Watkins
Pembs: Edwards (St. Dogmael's)
Yorks: Airey, Bowler, Elliott, Hare, Hewitt, Kellett, Kemp, Stephenson, Tebb