| Surname: | O'Brien |
| Initials: | M |
| Rank: | Corporal |
| Army Number: | P/6656 |
| Notes: | MMP. Formerly Cpl. 1 Argyll & Sutherland Highlanders No. 9511 and 1 Garrison Bn Seaforth Highlanders, No. 5068. Transferred to MMP 1/10/1916 for duty in Salonika. Awarded the 1914 Star, Victory and War Medals. First served abroad (1) France, 21/8/1914. Shown as 10/8/1914 to 20/9/1914 and 4/10/1915 to 5/1/1916 on medal roll page B471. |
Decoration Record: | |
| Decoration: | Mention in Despatches (London Gazette: 30740 Page: 6927 June 11, 1918) |
| Citation: | Salonika 21/9/1917-28/2/1918. L/Cpl. |