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.

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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.


Latest news

  • Volunteer for the Winter Farmers Market - Our annual Winter Farmers Market and Meal on Sunday, March 1st needs your help! What a great way to live out stewardship by giving of your time or talent. Volunteer opportunities are available for many ages, from middle school through adult. Click here for volunteer details. The St Sebastian stewardship portal is the preferred method Read More »
  • Preparing for Lent – Be Sure to Pack Well! - Your Lenten journey begins in a couple of weeks.  It is a journey that will take us through the wilderness of sin to the glory of redemption on the cross.  Will you be ready to embark or will Ash Wednesday catch you unprepared?   When you go to Mass on Sunday, you’ll find a variety of Read More »
  • Adult Formation: Catholic Ecology - Sunday, February 9 9-10:15 am Multi-purpose Room Marquette High teacher Joe Meyer presents “An In-depth Dive into Laudato Si.” Joe has taught environmental education in National Parks across the country, has been in science education for over a decade and is creating the Catholic Ecology Center, a place to strengthen Catholic faith and foster a Read More »
  • Learn about the Icon of Christ Pantocrator - The icon of Christ Pantocrator, the all-powerful creator, is the most frequently written icon of the Eastern Church.  The Icon of the Pantocrator from the Monastery of Saint Catherine at Mount Sinai is one of the oldest surviving icons in existence and one of the few early icons to have survived the icon controversy of Read More »
  • “Unplanned” movie showing January 26 - On Sunday, January 26, we will have the opportunity to screen the movie, Unplanned, the story of a Planned Parenthood director’s conversion.  The movie and discussion will be available twice: at 10:30 am – 12:30 pm in Saint Catherine Living Room and at 3:30 – 5:30 pm in Saint Sebastian Multipurpose Room.  Archbishop Listecki has Read More »

All news & announcements »

Sunday Bulletin

Click to view the Sunday Bulletin.

Upcoming events

Mon, Feb 17Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Wed, Feb 19Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Feb 21Communion Service & Rosary @ St. Sebastian Church8:30 am - 10:30 am
Sun, Feb 23Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Feb 23Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Feb 23Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Mon, Feb 24Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Wed, Feb 26Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Feb 28Communion Service & Rosary @ St. Sebastian Church8:30 am - 10:30 am

Called for More

Saint Sebastian invites you to complete a parish survey about discipleship between February 23 and March 23. Please help by participating in this 10-15 minute survey online  at www.disciplemakerindex.com. For more information, CLICK HERE.