Franks, Norman and Giblin Hal, Under the guns of the German Aces: Immelmann, Voss, Goring, Lothar vonRichthofen. The complete records of their victories and victims. London, Grub Street, 1997. ISBN 1-898897-72-8 contains an account of the death of 2nd Lieut. Matthew De Lacey from Jesmond.

Information from Tony Harding

Simon Glancey has submitted the following:

Second Lieut. de Lacey was killed when DH.4 A7643 of 57 Squadron was shot down by Werner Voss (his 48th victory), the aircraft crashing just south of Roulers, killing the Australian pilot 2nd Lt. Samuel Leslie John Bramley and his observer, 2nd Lt. de Lacey.

The R.A.F. Museum has digitised the accident card for A7643. See below.

Margaret Allison states that his mother lived in North Seaton.

John Matthew de Lacey is remembered on NUT066 and in Ashington on A17.43

R.A.F. Museum entry
The CWGC entry for 2nd Lieutenant De Lacey