Welcome to Saint Sebastian Catholic Church

Proclaim Christ and grow believers through the sacramental life of the church as an inclusive and responsive Catholic community.

Learn more about our parish »

Faith Formation »

Orientation – August 25 – 9 a.m.

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Parish »

Read About Our New Pastor

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School »

2019-20 Registration is Open

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You’re invited to Mass


  • 8:00 a.m. / 10:30 a.m. / 6:00 p.m. Masses – St. Sebastian
  • 9:00 a.m. Mass – St. Catherine


  • 8:30 a.m. Mass – St. Sebastian


  • 8:30 a.m. Mass – St. Catherine


  • 8:15 a.m. All School Children’s Mass (when school is in session) – St. Sebastian
  • 8:30 a.m. (when school is not in session) – St. Sebastian


  • 8:30 a.m.  Communion Service – St. Catherine


  • 8:30 a.m. Mass – St. Catherine
  • 8:30 a.m. Communion Service – St. Sebastian

Daily Reading – review the daily Mass readings.

First time here?

St. Sebastian offers a welcoming presence to all! Be sure to check out all the ways to get involved – or ways we can serve you. Questions? Call (414) 453-1061 or email saintsebs@saintsebs.org.


Stay Connected

Stay connected

Click to view the Sunday Bulletin, register to receive newsletters and follow us on Facebook.

Latest news

  • Safeguarding God’s Children - As part of our commitment to safeguard the lives of our children and youth, the Archdiocese requires every adult who works with children and youth to complete a background check and a special Safeguarding God’s Children workshop before they can begin working with children.  This involves teachers, catechists, coaches, chaperones, and any other positions that Read More »
  • Assumption Holy Day Masses - Thursday, August 15 is the solemnity of the Assumption of Mary 8:30 am Mass @ St. Sebastian 6:30 pm Mass @ St. Catherine – NOT 6:00 as in the bulletin! Click here to read more about this holy day.
  • Walk in My Shoes: A Refugee Simulation - Refugees – people like all of us who are driven from their homes and often their nations – have been part of human existence since the first civilization. Cain was a refugee. Lot and his daughters were refugees. The Hebrew people were refugees. Joseph, Mary, and Jesus were refugees. Our country, since its origins, has Read More »
  • What Do You Value? A reflection from Fr. Peter Patrick - There’s a famous story about an American tourist travelling in Europe who visited a wise and a famous rabbi. The American was surprised when he saw how simply the rabbi lived: in a single room with a table and a chair and a few books. “Rabbi! Where is all your furniture?” asked the tourist. “Well, Read More »
  • We Need Auction Items! - We’ve set the date  – October 19 – for The Bounti-Fall Harvest Auction at St. Sebastian. Now we need items for our many bidders!   We’re already received a week at a home in Spain Trip – do you know someone who would donate Frequent Flyer miles to get there? How about a luxury box Read More »

All news & announcements »

Upcoming events

Sun, Aug 25Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Aug 25Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Aug 25Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Mon, Aug 26First Day of School @ St. Sebastian School7:55 am - 3:00 pm
Mon, Aug 26Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Wed, Aug 28Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Sun, Sep 1Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am

Live with Purpose – Discover Stewardship

An important act of Stewardship is returning your annual pledge form. Your response tells us your level of involvement in the Parish during 2019. Please consider your response prayerfully. For more information and to download a form, click here.