St. Gregory's Son, Deacon Samuel T. Giangreco Jr., will be ordained to the Priesthood on Saturday, May 28. 

Listen here to his thoughts on the day...

Attention College Students!

Unltimate Frisbee & Bonfire Wednesdays

Every Wednesday in June 6:00 - 9:00pm

Visit our website for more fun events

21st Annual Great Race!

Save the Date! Friday, June 17

Register Here

St. Gregory the Great School


For information about admissions, click here!

Call 688-5323 for a private tour.

Bishop Malone's Weekly Message

Every week Bishop Richard Malone provides a 1-2 minute video to all Diocese of Buffalo parishioners. 

Check out this week's video of "Consider this..."


We are a Catholic Faith Community that strives to live the Gospel through Faith, Worship and Service.


We strive for academic excellence, personal faith development, and service to others in the spirit of Christ.

Family Faith Formation

Religious Education and Sacramental Preparation so our children can be living disciples of Christ.

Youth and Young Adults

Want to meet new people? Learn about your faith? Serve the community? Come check us out!


Offering ways for us to meet your needs as you grow in your faith, as well as ways you can serve others in ministry.

Welcome to St. Gregory's

As the Pastor of St. Gregory the Great Faith Community, I extend a warm welcome to you!

It is my hope that you find a home here and a place to grow in your relationship with the Lord as you serve others in His name.

If you are interested in viewing our weekly homilies, please click here.  

- Fr. Leon Biernat

St. Gregory the Great Roman Catholic Church
200 St. Gregory Court • Williamsville, NY 14221 • (716) 688-5678