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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Parish School »

K4- Grade 8 Classes Still Open

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Building Community »

Our Parish’s Biggest Fundraiser!

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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

  • Save the Dates: MGC Sunday Speaker Series - A series of motivational Catholic speakers will be coming to MGC this year to help us boost our faith life and journey. The events will take place in the back half of MGC from 1:30 pm to 2:30 pm, followed by a short Q&A period. The speaker sessions are sure to be inspirational with powerful Read More »
  • The Catholic Mass: A Study Week Four: The Church Building - Over the span of a year our parish, in collaboration with Mother of Good Counsel,  Saint Catherine, and Saint Sebastian, will study and engage in the Liturgy of the Church.  One aspect of this study is a deeper understanding of our core liturgy – the Mass.  We offer this 33-week cycle of 2-minute videos from Read More »
  • Carol Minch Funeral - Carol Ada Minch passed away on Saturday, October 14th.  Her Funeral Mass will be held at Saint Sebastian on Thursday, October 19th. The Visitation is from 9:30 am – 11am.  The Funeral Mass is at 11am.  Please remember Carol and her family in your prayers.
  • The Soles for Catholic Education Walk - Come out and show your appreciation for all that Catholic education provides your family by participating in The Soles for Catholic Education Walk. Visit: http://catholicschoolswalk.org to register for $10 or donate to St. Sebastian. Come on over to Sebs before the walk for coffee and donuts in the parking lot from 9:00 am to 9:30 Read More »
  • Senior Fest - Milwaukee Westside Catholic Parishes : Celebration of Gifts & Service Thursday, October 26 10:00 am to noon At Mother of Good Counsel Visual Art – Music – Poetry Presentation about Senior Scams Lunch Served at 11:30 am

All news & announcements »

Upcoming events

Fri, Oct 20Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sat, Oct 212017 Parish Auction @ St. Sebastian Church Hall5:30 pm - 10:00 pm
Sun, Oct 22Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Oct 22Faith Formation Class @ St. Sebastian Church Hall9:00 am - 10:30 am
Sun, Oct 22Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Oct 22Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Wed, Oct 252:00 PM School Dismissal @ 7:30 am - 2:00 pm
Wed, Oct 25Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Wed, Oct 25NEW SERVER TRAINING @ St. Sebastian Church2:00 pm - 3:30 pm