I can check some records. I was just in Dublin in October and was able to get Baptismal records of all the Tormeys and some relations from about 1840 to 1870s in the parishes from St. Michan's Friary. This included St. Paul's Smithfield (RC) where many of the records were found.
My great grandfather, Peter B, was born in Dublin and my Great Grandmother's family was from Wexford. Her name was Mary Ann Johnson. I
Do you know your Great Grandparents names? That would be helpful if available. (Time frames would birth years around 1850s