HERMES 1 Dec 1812 Masters Mate 8 April 1814
WARSPITE 9 April 1814 - ditto - 17 August 1814
CONFIANCE 18 August 1814 Able Seaman 24 August 1814
“ “ 25 August Masters Mate 9 Sep 1815
Prisoner of war – August 1815
RAMILLIES 6 Sept 1825 Lieutenant 12 Dec 1826
Thence onto Half Pay
He was not a prisoner in France, but rather, the USA and in September, not August The Confiance was serving on the Great Lakes in Canada and was in the hard fought battle on Lake Champlain, and captured, – see
https://en.wikipedia.org/wiki/HMS_Confiance_(1814)
I presume that you are aware of his entry in O’Byrne ?