Have found Cecilia Craig on Findmypast which provided the following details:
First name - Cecilia
Last name - Craig
Registration Year 1891
Registered quarter/year - July - September 1891
Registration district - Londonderry
Volume - 2
Page - 132
Mother's last name - blank
County - Donegal, Londonderry (Derry)
Country - Ireland
Record set - Irish Births 1864-1958
Category - Birth, Marriage, Death & Parish Records
Subcategory - Births & baptisms
Collections from - Ireland
Would appreciate advice on how to look deeper into this record to determine where this is the correct person. Hope I am not going in circles!
Thank you