Dear Ms. Earnhart,
Thank you for posting your request on History Hub!
We suggest that you contact the Archives and Records Center, Diocese of Pittsburgh, 125 N. Craig Street, Pittsburgh, PA 15213, specifically, the Historical Records Collections, Catholic Archdiocese of Pittsburgh that may include records from St. Joseph Orphanage Asylum for the time frame you seek. The telephone number is (412) 456-3158.
The Pennsylvania Department Collections of the Carnegie Library of Pittsburgh has an Orphanage Database. This is a list of orphanages active in Allegheny County over time. The library does not hold records from any of these orphanages, but this list provides guidance on how to find existing records from these organizations. Please contact them via email at email@example.com or by phone at (412) 622-3154.
Finally, you may wish to review news articles from the early 20th century in the Pittsburgh Catholic that is made available online through Duquesne University, Gumberg Library Digital Collections.
We hope this is helpful. Best of luck with your research!