Long form of a birth certificate

My grandfather was born in Ladesbridge in 1885. I am looking for his birth certificate. His name was William Flavin, I think his middle name was Patrick. Can anyone direct me on we’re i can find it.  I have emailed Saint Mary’s Church in Ladesbridge twice with no reply. I was told by a cousin that when in Ireland she went to the church and obtained a copy. I live in Erie, PA USA. 

Thank you for any help you can give me.