62840 Private John Swaney:  New Zealand Training Unit
John was a single, 36 year old, working as a flax miller at the Miranui Flax Mill, Shannon when he was selected in the ballot in 1917.[i]
John entered the Featherston Camp on 17th August 1917 with other men selected for the 30th Reinforcements. 62840 Private Swaney was, on 2nd September 1917 transferred to the 31st Reinforcements.
On the 20th September 1917 Private Swaney was admitted to the Featherston Camp Hospital and diagnosed with Acute Mania.
Private Swaney was transferred to Porirua Mental Hospital where he died on the 1st December 1917. The Dominion newspaper on 5th December 1917 carried a brief item[ii]
'The Base Records Office announces
 that 62840 Private John Swaney died
 on Saturday at a medical institution
 from exhaustion.’
62840 Private John Swaney is buried in the soldiers section
of the Karori Cemetery, Wellington and is entered on the
NZEF Roll of Honour.
Private John Swaney's grave in Wellington
See Wikipedia for full description of Acute Mania
Archway Archives New Zealand: 62840 Private John Swaney
Papers Past Online
NZBDM Online
Grave of 62840 Private John Swaney: New Zealand War Graves Project (http://www.nzwargraves.org.nz/casualties)
Porirua Mental Hospital: Alexander Turnbull Librabry
[i] Archway Archives New Zealand Military Records: 62840 Private John Swaney
[ii] Death of a Soldier (5 December 1917) Dominion
Porirua Mental Hospital c 1910