Marine Ronald Altringham died during operations at Lake Comacchio, Italy.

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

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 Cyril Basham 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.

Service History
11 July 1939 enlisted Royal Marines, London, aged 17 years
20 February 1942 posted the RM Commando (later designated 40RM Commando).
1 October 1942 promoted Lance Corporal.
18 June 1943 promoted Corporal.
4 September 1943 reverts to rank of Marine.
17 September 1943 promoted Lance Corporal. 

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 Charles Chapman 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.

Birth Registrations July/Aug/Sept 1919 - South Shields.

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.

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.

Marine Maurice Edwards 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.

• 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 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 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 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 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/104/131.

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.

Marine Walter Hanlon from Hartlepool, reported missing after the Dieppe raid, was later found to be a prisoner of war in Stalag 344, Poland. Post war member of the Commando Association.

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.

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

Marine Douglas Herman died during operations at Anzio, Italy.

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

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

Captain William Hiles died during operations at Sarande, Albania.

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 Edward Klincke 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 104/133.

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.

• August 1943 (Acting Lieutenant Colonel) Commanding Officer 41RM Commando [2].

Captain Michael Macpherson died during operations at Sarande, Albania.

• 29 November 1950 (41 Independent Commando) wounded during operations at Chosin Reservoir, Korea.

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, Italy.

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

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.

Marine Thomas Mulvey was one of five commandos who died from injuries sustained in the accidental explosion of an ammunition truck in Sicily. 

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 Joseph Nightingale died during operations at Termoli, Italy.

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

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].

Lieutenant Derrick Over died during operations at Dieppe.

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.

• 1943 Commanding Officer 11th RM Bn. [2].

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.

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

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

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

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

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

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.

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

Corporal Thomas Thorp died during operations at Dieppe.

Marine James Towers died during operations at Anzio, Italy.

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

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

Corporal David Turner received a Mention in Despatches for services in Italy 1st April to 8th May 1945. 
 
Sources
London Gazette 37505, page 1441.