|Regiment/Unit:||Leinster Regiment, 7th Battalion|
|Date of Death:||11-08-1916|
|Cause:||Killed in action|
|Memorial:||Philosophe British Cemetery, Mazingarbe, Pas-de-Calais, France|
John was born c.1885* in Longford. Prior to the war he was working as a carter in Longford. Pte McDermott enlisted in Longford Barracks. His brother, Edward, also served with the British Army with the 1st General Battalion Royal Irish Fusiliers (G279), in Bombay (modern-day Mumbai).
|Parents Names:||Son of the late Edward and Bridget McDermott of Abbeycarton, Longford.|
|Notes:||The Commonwealth War Graves Commission suggest a birth year of c.1879 for John as they claim he was 37 when he died.|