In trying to find some more info to help identify the crew names I found these:
https://www.thegazette.co.uk/London/.../2537/data.pdf
1392508 Flight Sergeant Wilfrid George SMITH. Royal Air Force Volunteer Reserve, No. 12 Squadron
592036 Sergeant John ELLIS, Royal Air Force, No. 12 Squadron.
1726841 Sergeant Kenneth Evan MACDONELL, Royal Air Force Volunteer Reserve, No. 12 Squadron.
https://www.thegazette.co.uk/London/...36685/data.pdf
Wilfrid George SMITH mentioned again.
John "Jack" Ellis, 12 Squadron
https://www.legacy.com/amp/obituarie...r-uk/164169009