You need to go to www.rootsireland.ie
for your parish records, the Ballymore Parish CofI has NO birth records only the RC, but CofI does have marriages which you have
Considering the 1922 Four Courts Fire is amazing that there
are any records left. Sometimes that is just the way it is in Ireland. I did suggest trying memorial inscriptions as you might find the parents with birth years etc. some of the gravestones are a good family tree.
Only Bennett in the gravestone index on www.from-ireland.net
is in Creggan.
Publish Seanchas Ardmhaca 1972 Vol.6 No.2, pp 309332
Transcribed Kevin McMahon & Tomas O'Fiaich
You could try the Armagh County Library or Ballymore Library if there is one to see if copies are available.
The Armagh Diocean History Society Seanchaswww.seanchais.freeservers.com
The Federation for Ulster Local Studies