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
12th Squadron, Royal Flying Corps attached 5th Battalion, Royal Irish Rifles
No. 7342 2nd Battalion Royal Irish Rifles
Lance Corporal Herbert Henry MacMahon
No. 26424 10th Battalion Royal Dublin Fusiliers
No. 1594 7th Battalion Highland Light Infantry
Stoker First Class David Magee
No. SS/109577 HMS Indefatigable Royal Navy
No. 19684 13th Battalion Royal Irish Rifles
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
No. 3335 1st Battalion Princess Victoria’s (Royal Irish Fusiliers)
Royal Naval Volunteer Reserve
Rifleman William John Majury (served as McJury, William John)
No. 7165 2nd Battalion Royal Irish Rifles
No. T4/160317 1st Div Train Royal Army Service Corps
No. 8204 1st Battalion Royal Irish Fusiliers
Royal Irish Rifles
No. 18429 13th Battalion Royal Irish Rifles