Simon Glancey has submitted the following:
Sgt. Saxby was killed when Avro Lancaster III ND655 LE-J of 630 Squadron was lost on a mission to Brunswick. The Lancaster was lost without trace, along with the seven crew members.
Royal Air Force Bomber Command Losses of the Second World War: 1944; W.R. Chorley; 1997; Midland Counties Publications; ISBN 0 904597 91 1, page 235
Tony Hibberd has provided the following:
Lancaster ND655 LE-J had departed East Kirkby at 2238 for Ops Braunschweig
It was intercepted at 5400M over the North Sea, 70km W of Callantsoog by a Night-Fighter captained by Nacht-Jagd “Experten” Oblt Dietrich Schmidt (VIII/NJG1) and shot down at 0348 for his 27th Abschuss
Nacht Jagd War Diaries Vol 2 Dr Theo Boiten
William John Saxby is remembered in Bishop Auckland on B140.12
