Lieutenant Oliver Babington Macausland

1st Battalion  Indian Army (Unattached List) and 1st Battalion Royal Irish Rifles

Second Lieutenant William John MacDonnagh

8th Battalion Middlesex Regiment

Captain Julian Mackay MacIlwaine

12^th Squadron, Royal Flying Corps attached 5^th Battalion, Royal Irish Rifles

Rifleman James Glover Mackey

No. 7342 2nd Battalion Royal Irish Rifles

Lance Corporal Herbert Henry MacMahon

No. 26424 10th Battalion Royal Dublin Fusiliers

Private William Maddock

No. 1594 7th Battalion Highland Light Infantry

Stoker First Class David Magee

No. SS/109577 HMS Indefatigable Royal Navy

Rifleman John Magill

No. 19684 13th Battalion Royal Irish Rifles

Ship’s Cook Hugh Maginnis

SS Wileysike Mercantile Marine

Major Meyrick Magrath Magrath DSO

291st Brigade Royal Horse Artillery and Royal Field Artillery

Lance Corporal George Mahaffey (see George Mahaffey)

No. 13/18402 13th Battalion Royal Irish Rifles

Lance Corporal George Mahaffy (served as George Mahaffey)

No. 13/18402 13th Battalion Royal Irish Rifles

Second Lieutenant Henry Irwin Mahaffy

Royal Flying Corps

Second Lieutenant Thomas George Mahony

19th Battalion Lancashire Fusiliers

Private John Maidens MM

No. 3335 1st Battalion Princess Victoria’s (Royal Irish Fusiliers)

James Majury

Royal Naval Volunteer Reserve

Rifleman William John Majury (served as McJury, William John)

No. 7165 2nd Battalion Royal Irish Rifles

Driver William John Malcolm

No. T4/160317 1st Div Train Royal Army Service Corps

Private William Malcolm

No. 8204 1st Battalion Royal Irish Fusiliers

Rifleman George Mallon

Royal Irish Rifles

Sergeant Fraser Douglas Mann

No. 18429 13th Battalion Royal Irish Rifles