Civil BMD references are from the Irish BMD Index on FamilySearch - see :
Introduction to Irish Records Posting a link to the census return helps people see the full details on the forms without having to search again. e.g. years married, places of birth, occupations etc, which help the search.
possible baptism for Norah on the Irish Genealogy website - civil marriage cert mentioned above would show father's name, occupation etc and may be able to confirm this, or rule it out...
Baptism of Hanora Long, 1882 St. Andrew's RC Parish, Dublin City
Parents : Jerimiah Long & Mary Jane Byrne
and a corresponding possible civil record from the BMD Index - these give some additional information compared to parish records - e.g. father's occupation.
Name: Nora Long
Registration district: Dublin South
Event type: Birth
Quarter and year: Oct - Dec 1882
Volume: 2 / page: 686
Shane