Marine William Appleby was reported missing presumed died, along with the rest of 'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM/104/127.

Marine William Barrington died in Italy. At the time of his death his Commando were engaged in operations at Termoli.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/127.

Marine George Bates died during operations on the enemy held island of Brac, Yugoslavia.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/127.

Marine John Bluck died during operations in Italy (Anzio).

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/127.

Marine Alexander Bremner died during operations in Italy (Lake Comacchio).

[Image] The War Illustrated magazine.

Marine William Bryce died of wounds at the 2nd Field Hospital which was located at Otok, on Vis Island, Yugoslavia.  Seven days before his death his Commando were engaged in Operation Flounced, an attack on the enemy held island of Brac.

Marine Francis Burgess died during operations at Anzio, Italy.

Sources
CWGC.
Registers Of Reports Of Deaths - Naval Ratings / National Archives file ADM104/128.

Marine John Catterall died during operations at Dieppe.

Lance Corporal Gordon Colby died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/129.

Marine Arthur Coomber died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/129.

Lieutenant Brian Cooper died during operations at Termoli, Italy.

Corporal James Corcoran died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/129.

Corporal William Craddock died during operations in Italy. 

Lieutenant Leonard Cross died during operations on the enemy held island of Brac, Yugoslavia.

Marine Reginald Day died at the 66th British General Hospital, Italy. At the time of his death his Commando was engaged in operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/129.

Marine Harry Dowson died at 151 Field Ambulance during operations at Sicily.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/130.

Lieutenant Charles Dutton died during operations on the enemy held island of Brac, Yugoslavia.

His brother Lieutenant Derek Alan Dutton, No 6 Commando, also died in service 14 days later.

Corporal Henry Everall died during operations at Dieppe.

Sergeant Ernest Finch died during operations in Italy.

Sources
[1] CWGC.
[2] Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/130.
[3] Registers of Births England Oct/Nov/Dec.1925.

Marine George Fisk was reported missing presumed died, along with the rest of 'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM/104/130.

Marine Leslie Franklin died during operations in Sicily. His cause of death is recorded as illness on the Naval History website.

Marine Donald Gee died during operations against the enemy held Dalmatian island of Brac, Yugoslavia (now Croatia).

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/131.

Marine William Gorrie died in Italy. At the time of his death his Commando were engaged in operations at Lake Comacchio.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/131.

Captain Harry Grant-Dalton was reported missing presumed died, along with the rest of 'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed. 

Marine Patrick Griffin died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/131.

Lance Corporal Leslie Harvey died during operations on the enemy held island of Brac, Yugoslavia.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/131.

Colour Sergeant Frederick Harwood died during operations at Dieppe.

Marine Robert Hays died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/131.

Marine Richard Hebden was reported missing presumed died, along with the rest of 'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed.

Marine Alexander Herd died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Corporal George Heryet died during operations in Italy. At the time of his death his Commando were engaged in operations to cross the River Garigliano.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/132.

Marine Harry Hildreth died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Lieutenant Bertram Hill died during operations in the Dalmatian Islands. His death is reported on the Naval History website as being caused by an explosion. 

Marine Reginald Hill died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Norman Hopper died during a raid on the Island of Brac, Yugoslavia. Initially buried with others on Brac near Nerezische, their remains were later reinterred in a collective grave at Belgrade War Cemetery.
Those buried with him are Marines Pickering and Tarrant of 40RM Commando, and Marines Brookes, Cooper, Hurst, Ivens, and Williamson of 43RM Commando.

Marine Harry Humphreys died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine John Jones died at 151 Light Field Ambulance, Syracuse, Sicily.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/132.

Marine Reginald Lagor from Leicester died along with the rest of 'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine David Ledbury died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine William Little died in Italy. At the time of his death his Commando were engaged in operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/133.

Marine John Mackinstry died during operations at Dieppe, France.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/133.

Marine Joseph McGee died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Frederick Milo died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Edwin Moody died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/134.

Marine Kenneth Morgan died at Banstead Military Hospital, Sutton, Surrey.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/134.

Marine Douglas Musgrove died during operations at Anzio, Italy.

Sources
[1] CWGC.
[2] Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/134.

Marine Thomas Nash died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Edward O'Brien died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Christopher Ockwell died during operations in Italy. At the time of his death his Commando were engaged in operations to cross the River Garigliano.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives files ADM 104/135.

Lieutenant Derrick Over died during operations at Dieppe.

Marine John Palmer died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Robert Parker died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Ronald Pincher died during operations at Sarande, Albania.

Marine John Platt from Manchester was reported missing presumed died during operations at Anzio, Italy. He has no known grave.

Major Norman Porter died during operations at Lake Comacchio, Italy.

Marine George Pratt died during operations at Sarande, Albania.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/135.

Marine James Richmond died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Reginald Saunders died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine John Seabrook died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Lance Corporal Dennis Short died during operations on the enemy held island of Brac, Yugoslavia.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/136.

Marine Samuel Simpson died during operations at Lake Comacchio, Italy.

Marine Frank Spencer was one of five commandos who died from injuries sustained in the accidental explosion of an ammunition truck in Sicily. He is buried in a collective grave with Marines Robert Denmark, Ernest Porter, and Albert Wise.
 
Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/137.

Captain John Stiebel died during operations in Sicily whilst aboard the HMS Queen Emma during an enemy air attack on the vessel.

Sergeant Leslie Swan died during operations in Italy. At the time of his death his Commando were engaged in operations to cross the River Garigliano.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/137.

Marine Harold Swift died during operations at Lake Comacchio, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/137.

Marine Kenneth Tarrant died during a raid on the Island of Brac, Yugoslavia. Initially buried with others on Brac near Nerezische, their remains were later reinterred in a collective grave at Belgrade War Cemetery.
Those buried with him are Marines Hopper and Pickering of 40RM Commando, and Marines Brookes, Cooper, Hurst, Ivens, and Williamson of 43RM Commando.

Corporal Ronald Thomson died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Corporal Frank Toes died during operations at Termoli, Italy.

Marine Anthony Turner died during operations in Sicily whi

Marine John Turrell died during operations at Termoli, Italy.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/138.

Marine Jack Wakefield died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Thomas Webster died during operations in Sicily whilst aboard the HMS Queen Emma during an enemy air attack on the vessel.

Marine Desmond Wilson died along with the rest of  'T' Company 40RM Commando, when the ship they were on board, HMS Fidelity, was torpedoed and sunk.

Marine Alexander Wood died during operations in Sicily whilst aboard the HMS Queen Emma during an enemy air attack on the vessel.

Corporal John Woodall died during operations at Lake Comacchio, Italy.