The record on MyHeritage gives his death (not marriage) as 1946
Lieutenant Edward Graham Mortimer, of Warsash, Hampshire, pilot of Fleet Air Arm based Yeovilton, Somerset
died Date 22 Jul. 1946 age 39
Commemorated on Lee on Solent Memorial, Hampshire
Crashed into the sea near Lulworth Cove in Dorset due to engine failure during a test flight from Yeovilton
Command Hms Heron
Ship Seafire Fiii