Marine Albert Anderson died during operations at Beuzeville, Normandy.

• October 1944 Second in Command 46RM Commando [2].
• April 1945 3 Commando Brigade HQ [3].
• June 1945 Second in Command of 44RM Commando in the Far East [4]][4a][4b].

Quartermaster Sergeant George Buttery, 40 Commando RM,  who had served as a Marine in 46RM Commando during WW2, was awarded the Military Medal for gallant and distinguished services on the 6th November 1956 during Operation Musketeer, the Anglo-French Invasion of Port Said, Egypt.  

Corporal Stanley Cantlay died during operations at the River Rhine crossing near Wesel, Germany.

Marine Chandler, B troop, was taken prisoner of war during operations at Rots and le Hamel, Normandy, on 11 June 1944. 
 
Sources
[1] CVA Gallery image of 'B' Troop.
[2] National Archives files ADM201/111 and WO392/7.
[3] The Story of 46RM Commando by Capt. P.K.W. Johnson RM.

Troop Sergeant Major William Clark died during operations at the River Rhine crossing, Germany.

Marine F.E. Dean, B troop, was taken prisoner of war during operations at Rots and le Hamel, Normandy, on 11 June 1944. 
 
Sources
[1] CVA Gallery image of 'B' Troop.
[2] National Archives files ADM201/111.
[3] The Story of 46RM Commando by Capt. P.K.W. Johnson RM.

Marine Charles Dewberry, 'A' troop, died at the Royal West Sussex Hospital Chichester from injuries received in an accidental fall [1][2]. 

The Hamshire Telegraph reported that Mne. Dewberry who was from Gunton Road Upper Clapton, was found dead whilst taking a bath at the TOC H Club in Chichester. A post mortem came to the conclusion that his death was thought to be due to a fall, possibly as he got out of the bath. The Coroner recorded a verdit of Accidental Death [3].

Marine Sam Durose died during operations at the River Rhine crossing near Wesel, Germany.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/130.
The Story of 46 Commando Royal Marines by Capt Johnson RM.

Marine John Flood died during operations at the River Aller crossing.

• Commanding Officer 41RM Commando on D Day, awarded the Military Cross.
• Commanding Officer 46RM Commando from November 1944

Citation

Sergeant Frederick Houghton died during operations at Beuzeville, Normandy.

Lieutenant Anthony Jerram, 'A' troop, died during operations at Rots and Le Hamel.

Marine Henry Johnson, 'B' troop, died during operations at Rots and Le Hamel.

Marine Kennedy, B troop, was taken prisoner of war during operations at Rots and le Hamel, Normandy, on 11 June 1944. 
 
Sources
[1] CVA Gallery image of 'B' Troop.
[2] National Archives files ADM201/111.
[3] The Story of 46RM Commando by Capt. P.K.W. Johnson RM.

Sergeant Thomas Ledger, 'A' troop, died during operations at Rots and Le Hamel.

Troop Sergeant Major William Leeming died during operations at Rots and Le Hamel.

Marine Charles Lunn, 'X' troop,  died during operations at Beuzeville, Normandy.

Acting Temporary Company Sergeant Major Herbert Mallorie was awarded the MM for gallant and distinguished services in North West Europe.

Lance Corporal Richard McCarthy was a medic attached to 46 RM Commando and was awarded the MM for his gallantry during operations at Rots and Le Hamel.

Marine John Miller, 'X' troop, died of wounds inflicted on the 20th August during operations at Hill 112, Dozule, Normandy.

Marine Kenneth Musgrave, 'A' troop, died during operations at Rots and Le Hamel.

Marine James Pizey died during operations at Beuzeville.

Marine William Rennie was awarded the MM for distinguished service whilst attached to the Allied Armies in the invasion operations in North West Europe.

Marine Jack Tomkins died in the UK.  The exact circumstances of his death are not known. At the time of his death the Commando were engaged in cliff assault and seaborne landing exercises in preparation for DDay. 

Marine Alexander Wheeler, 'A' troop, died during operations at Rots and Le Hamel.