Heres a bit more.
Note from the 1871 in Taunton Somerset,that John 42, b Ireland Pensioner Staff Sergt.
Ellen 37,b ireland, David H, b Burma, Mary Ann, 4 b Hants Portsmouth.
Military family,so may be an Army Marriage somewhere. Will see what I can find.
FindMyPast have following birth ref for David H Hayes,
87th Foot,
Rangoon,Burma,
1862, vol 1342, page 29.
This is easily obtained online or by phone from General Register Office Southport, Lancs.
Brionne.