Thanks everyone for the replies! I requested the cert through certificates dot ie which I believe is run by the HSE. It does seem that the GRO sites that I started exploring links to this site so I guess the two departments collaborate? HSE has told me they can't find it and asked for some info I al...

When you say you can’t find his birth cert, how have you looked? Have you researched/asked the GRO? https://www.citizensinformation.ie/en/birth-family-relationships/getting-birth-marriage-or-death-certificate/#e40cf9 The short answer is that you’ll either need to get his birth cert from GRO or a le...

Does anyone have any advice on what to do if I'm unable to find the civil birth certificate for my grandfather? I've read that if I get a could not find it letter from HSE that I can send that along with an official baptism certificate (which I do have) in it's place? I've also read that I might nee...