Tom is listed as being killed in action on 15 Sep 1916 during the Battle of Flers–Courcelette, part of the Battle of the Somme. The war diary for that day is transcribed below along with a passage from the book Die-hards in the Great War: Volumes I & II by Everard Wyrall, Everard published by Lume Books.
War Diary
Montauban 14th September 1916: Battalion left Montuaban via Milk Lane for Calton and Savoy trenches/Assembly. 1 Other Rank evacuated sick.
Carlton and Savoy Trenches - 15th September 1916:
1am - Assembly complete. 123rd Brigade in reserve of 41st Division.
6.20am - Zero - Attack launched, 124th Bde on right, 122nd Bde on left. Tanks leading.
10am - Bde moved forward, to left of Flers Road on line of our previous position in Delville Wood avoiding barrages several times.
Midday - Left trenches for German Switch Trench, heavys shelling. Adj casualty. B and D on right of Flers Road and C and A on left. Enemy opened heavy shelling.
3.15pm - Advanced up right of Flers Road and along right of Flers Wood.
4.30pm - B & D Coy leading with C.O., A & C Coys behind
5pm - Lt Col casualty. O.C A Coy ordered by Brig General Clemson G.O.C 124 Bde that the strong point N of Flers Wood known as Hogs Back must be held at all cost. At N.E corner of Flers O.C of A Coy met survivors of attack, about 259 men of various Regiments, retiring.
5.30pm - They were rallied and Hogs Back reoccupied with the help of B and D Coys.
6.45pm - Ordered by Col Oakley (O.C. 10th Queens 124 Bde) to retire into line E of Flers at nightfall as the enemy was coming round the right flank.
7.30pm - Took 5 prisoners. Retired on to line stated. O.C. A Coy (in command of Battn) handed over to Major Beatty (10th R. W. Kents). Held on during night. END