Another possibility?
In 1871 at Raglan Barracks, Devonport (Stoke Damerel)
David Condon, 32, born Ireland, Private 2nd Bn. 18th Regt.
(piece 2129 folio 73 page 24)
According to the 1871 army index his number would be
2252And there is a pension record for him indexed on ancestry in WO 117
Admitted to pension, 16 Sep 1879, age 40
They have place of birth as Chamel, Tipper
We can see it on TNA website using the image viewer, but images are watermarked
Images 125, 126 (of 166)
Says residence when discharged Manchester
https://discovery.nationalarchives.gov.uk/details/r/C14727747