The London Gazette is available on-line this is the detail obtained during January 2003, the London Gazette is the Paper used to formally announce Military Promotions and Awards, Deaths and Bankruptcies.
Promotion to Acting Warrant Officer 14 January 1944
Conformation and promotion Flight Officer 11 Feb 1944 [Admin and Special Duties Branch]
Acting Flight Lieutenant 14th June 1945
Commission resigned 2nd August 1946
Sergeant Leslie Arthur
Seamark No 142 Squadron (deceased)
Distinguished Flying Medal [DFM] awarded with effect from 14th September 1942
Death on CWGC as 23 September 1942 agd 27
Son of Leonard Duart Seamark, and of Elizabeth Annie Seamark, of Exeter.
The Green, Morchard Bishop, Devon
Notice of Death , died 28th December 1940 [Gazette 26/12/1941]
Son of Jabez Seamark, 1881 living 23 Crispin St, Northampton St
Sepulchre, Northampton
From army records:
Enlisted 31 August
1897 Northamptonshire
Age : 18 Years 5 Months
Occupation : Shoe Finisher
Height : 5ft 4 4/8 inches
17 August 1899 Transferred to Dorset
Rgt
24 November 1899 on SS SIMLA
25 February 1904 passed fit to serve in India , arrived in
India 21 March 04
17/6/15 promoted to commission Somerset’s
From the LG:
Somerset Light Infantry - Prince Alberts
Promotion to Second Lieutenant 29 June 1915
Promotion to Temp Lieutenant whilst holding the appt of Adjt
Retires on retained pay 6th Feb 1920
Notification of cancellation of retained pay 17th June 1920
Placed on the Half Pay list on account of ill health 11th Aug 1920
4th Battalion, Rifle Brigade (Luton)
11 February 1919 (SALONIKA) - the list is very long and not 100% what was awarded on 11th Feb
(Salonika) This must reference that Leslie was in Greece at the time of award, the list is very long and not 100% what was awarded on 11th Feb - Salonika is a strategically important Greek port on the Aegean coast of Macedonia. Leslie was awarded the Greek MM below.
Very long awarded Greek Miltary Medal [21st July 1919]