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 »

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

  • 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
  • Movie: On the Table: Milwaukee 53206 - Safe & Sound and St. Sebastian School and Parish invite you to join us for “On the Table: Milwaukee 53206” on Tuesday, October 17, 5:30 – 7:30 PM. Click Here to Register!   The one-hour documentary chronicles the lives of those affected by incarceration in America’s most incarcerated zip code through intimate stories of three 53206 Read More »
  • Auction Registration is OPEN! - October 21 – St. Sebastian Gathering Space. $50 Ticket Includes Complimentary Beer, Wine, Soda & Water; Generous Appetizers & Dessert and Dozens of Items for bid. Click here for more information.

All news & announcements »

Upcoming events

Wed, Oct 182:00 PM School Dismissal @ 7:30 am - 2:00 pm
Wed, Oct 18Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Thu, Oct 19Auction Planning @ St. Sebastian Parish House7:00 pm - 8:00 pm
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