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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Faith Formation »

Download 2018-19 Materials

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Community »

Held at St. Catherine Parish

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School »

2018-19 School Materials Available Now!

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A Life of Liturgy

Gain a deeper understanding of the liturgy through this 33-week program of short videos, as part of a year-long program of the Milwaukee Westside Catholic Parishes to study and engage in the Liturgy of the Church.  Click here.

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


  • 8:30 a.m. Mass – St. Sebastian

Daily Reading – review the daily Mass readings.

Stay Connected

Stay connected

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

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

  • Another Fish Fry Season is Upon Us!!! - Mark your calendars for October 5th and enjoy the best neighborhood fish fry around! Spread the word, and tell your friends, family, neighbors and co-workers just how AMAZING the St. Sebastian fish fry is. Our meal features all-you-can-eat fresh-cut cod, either baked or beer battered, a salad bar buffet, savory soups, and the most wonderful Read More »
  • Support 8th Graders with Pizza from Piccola! - Sunday, September 30, 11 a.m. – 9 p.m. 7606 W State St, Wauwatosa. Help support St. Sebastian 8th Graders by dining at Pizzeria Piccola! Mention the event or download and present this flyer to the cashier, then 25% of your dine-in or to-go purchase will be donated to St. Sebastian. Or order ahead or purchase Read More »
  • August 26 – Faith Formation, Youth Ministry & Confirmation Orientation - St. Sebastian/St. Catherine Faith Formation (Grades K-6), Youth Ministry (Grades 7-10) and Confirmation programs are holding an open house for new and returning students after all masses on Sunday, August 26. All parents and students will meet in the Church Hall. Free coffee, juice and donuts! Click here to download and print registration materials and Read More »
  • Teaching Mass - Ever wonder why we do what we do at mass? As an initiative from the Prayer and Worship Committees of Saints Sebastian and Catherine, a unique “Teaching Mass” will be held on Saturday, September 15, 4:30 p.m. at St. Catherine. This mass will be a complete mass celebrating (and “counting for”) the 24th Sunday in Ordinary Read More »
  • New Approach to Stewardship - Based on feedback from many school families and parishioners, a group of volunteers and staff has taken the initiative to improve the way people sign up to volunteer at St. Sebastian events. We have three objectives for our approach: Be simple for volunteers to use Ensure the safety of our children Support event continuity and Read More »

All news & announcements »

Upcoming events

Wed, Sep 19Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Sep 21Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Sep 23Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Sep 23Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Sep 23Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Wed, Sep 26Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Sep 28Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am