St Joseph's Industrial school was run by the religious order of Presentation Brothers,
some background information here.

http://www.childabusecommission.ie/rpt/pdfs/CICA-VOL2-04.PDF
You could write to the Provincial House see address on this link.

http://www.presentationbrothers.org/about-us/leadership-team...
However you would need to be definite about his parents' names.

annclare