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

Marine Harry Anson 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 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.

[Source: Commando Association Lost Legions List 2].

Sergeant Jack Beesley died during operations at Dieppe.

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

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

See Linked Content below.

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).

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/128.

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.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM 104/128.

Marine Francis Burgess died during operations at Anzio, Italy.

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

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

Marine Herbert Cockitt died during operations at Anzio, Italy.

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

Captain Alan Comyn died during operations at Dieppe.

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.

Colour Sergeant Arthur Cornish died on board H.M.H.S. St. David. At the time of his death his Commando were engaged in operations at Sicily.

Sources
CWGC.
Registers of Reports of Deaths - Naval Ratings / National Archives file ADM104/129.
Registers of Births in Kent Oct/Nov/Dec.1916.

Marine John Craig died during operations at Anzio, Italy.

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.

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

• Mentioned in Despatches for outstanding service with the Allied Armies in Italy *.

Lance Corporal Robert Fallas died at sea whilst aboard the HMS Queen Emma during an enemy air attack on the vessel in Sicily.

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

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

Marine George Fisk 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 Ronald Foster died during operations at Lake Comacchio, Italy.

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

Marine James Ganner died during operations at Anzio, Italy.

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

Marine Frederick Goodyer-Kettley 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 Gorrie died during operations at Lake Comacchio, Italy.

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

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

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

Colour Sergeant Frederick Harwood died during operations at Dieppe.

Corporal Albert Heath died during operations at Dieppe.

• 1943 (Acting Major)(40RM Commando) awarded the Military Cross for gallant and distinguished services in operations leading to the capture of Termoli [2]. 
• 12th February 1946 (Captain)(Acting Lieutenant Colonel) received a Mention in Despatches for gallant and distinguished services in NW Europe [3].

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.

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 operations on the enemy held island of Brac, Yugoslavia.

Acting Temporary Sergeant Desmond Hurst received a Mention in Despatches for services in Italy 1st April to 8th May 1945. 
 
Sources
London Gazette 37505, page 1441.
Forum message in his name posted by his nephew.

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

Marine Michael Jeffers 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 Kelly 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 Lagor 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 during operations at Lake Comacchio, Italy.

Marine John Mackinstry died during operations at Dieppe.

• Awarded the MC for "gallant and distinguished services in operations leading to the capture of Termoli."
• Awarded a bar to his MC for "courage, leadership and resource in operations which led to the crossing of the Garigliano River in the face of determined opposition, from the enemy."

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

Marine Dennis McGlashon died during operations at Lake Comacchio.

Corporal Reginald Metcalf 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 Geoffrey Mole, RAMC attached to 40RM Commando, died during operations at Lake Comacchio, Italy.

Lance Corporal Henry Morgan died during operations at Dieppe.

• 1945 (Spring) posted as instructor at the Commando Basic Training Centre.
• 1947 - 50 (Acting Captain) Troop Commander 42 Commando RM.
• 1952 (Spring) (Captain, O.C. Royal Marines) HMS Indefatigable. 

Marine Douglas Musgrove died during operations at Anzio, Italy.

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 Joseph Nightingale died during operations at Termoli, Italy.

Extract from a report in the Essex Newsman - Saturday 02 October 1943

Captain John O'Brien was awarded the Military Cross for courage, leadership and resource in operations which led to the crossing of the Garigliano River in the face of determined opposition, from the enemy.

Sources
London Gazette 36474, page 1777.
National Archives file WO 373/47/153.

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

• 23 July 1943 listed as Lieutenant [2].
• October 1944 listed as serving with 43RM Commando [3].
• 21 May 1946 (Lieutenant) promoted Acting Captain [3].

Lieutenant Derrick Over died during operations at Dieppe.

• 8 September 1945 posted to 4 Commando Brigade [3].

Marine Ronald Pincher died during operations at Sarande, Albania.

Marine John Platt died during operations at Anzio, Italy.

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

Marine George Pratt died during operations at Sarande, Albania.

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

• 1943 Commanding Officer 11th RM Bn. [2].
• July 1943 (Temporary Captain) (Acting Temporary Major) received a Mention in Despatches for good service in operations in the Middle East [3].

Sergeant William Scott died during operations at Lake Comacchio, Italy.

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

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

Marine William St.Ange died during operations at Sarande, Albania.

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.

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

Marine Kenneth Tarrant died during operations on the enemy held island of Brac, Yugoslavia.