Name (1649 results) Rank Regiment
Orr, Robert Clifford Captain Somerset Light Infantry
O'Sullivan, Donald
O'Sullivan, Arthur Moore Captain 1st Royal Irish Rifles
O'Sullivan, Gerald Robert Captain 1st Royal Inniskilling Fusiliers
O'Sullivan, John Anthony Second Lieutenant Royal Flying Corps
O'Sullivan, J.J. Captain Royal Army Medical Corps
Otway, Herbert Francis Lieutenant Prince of Wales 's Leinster Regiment (Royal Canadians)
Oulton, William Plato Lieutenant 3rd Batt. Royal Dublin Fusiliers
Oulton, Harry Charles Second Lieutenant Leinster Regiment
Ozanne, Edward Graeme Captain 7th Royal Fusiliers (City of London Regiment)