I have a Baptism Certificate for my Dad, written the month before he married (when he was 24).
It gives-
Alleged date of birth
When baptised
Child's Christian name
Parent's Names
Abode
Father's Occ
God Parents' names (blank)
Vicar's name
Date of issue
Clerk's name
(Printed by JB Shears and Sons, 64 Sydney Street, Chelsea SW3)
Also one for my Mum, again issued the month before marriage. This was a Catholic one from another county. It was printed by MH Gill and Son Ltd, Dublin.