Welcome to St. Irenaeus Parish.  We are located in Oakmont, Pennsylvania, which is 15 miles northeast of Pittsburgh by the Allegheny River.   We hope that you can discover and learn what is happening here at our parish.

Please use the menu options to navigate through the various activities that encourage our parishioners to share and grow in our Catholic faith.  We welcome new members!

Mass Times

Saturday:  4:30pm      

Sunday:  8:00am, 11:00am

Tuesday - Thursday:  8:00am

Holy Days of Obligation:  10:00am, 7:00pm

Confessions:  Saturdays, 11:00am - 12:00pm

New Mass Schedule starting Oct. 15, 2018
(click here for printable schedule)


Parish Office Hours at School Building

Front entrance on 637 4th Street:

Monday - Friday:  8:30 am - 3:30 pm

Online Giving

Online Giving

Online Giving:  Faith Direct

Bible Search

Advanced search