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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Outreach »

Holiday Boutique

December 1 & 2

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Community »

Reserve Your Spot Today!

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School »

Tickets at the Door

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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

  • Family Faith Formation Advent Program - Your Faith Formation team is hosting another family event for St. Catherine & St. Sebastian Parishes and Schools. October’s “Celebrating the Saints” was a great hit, and this month’s event is sure to be a family favorite. On Tuesday, November 27 from 6:00-7:30 p.m., join us in the St. Sebastian School Cafeteria for  “Advent in the Home.” Come Read More »
  • School & Parish Auction Discount Update! - Never been to the Saint Sebastian Parish & School Auction before?  No worries!  We’ve got you covered!  Tickets are on sale now and they are going quickly!  $60 for First-Time Single Ticket and $120.00 for First-Time Couples Ticket. Over 60 and tired of waiting for your senior discount to kick in?  Here’s an offer for Read More »
  • Cabaret Cast Announced! - Get ready for the 2019 Cabaret Show! We’ve announced the cast for the upcoming show, Friday, March 29 and Saturday, March 30, 2019. Click here to see the list of friends and neighbors who will be working for the next few months on “Hello, Milwaukee!”
  • Panera Fundraiser – December 9 - This month’s fundraiser for the 8th Grade trip to Washington DC is at the Mayfair Panera on Sunday, December 9th from 4-8pm. Please download and bring this flyer, and the class will receive a portion of the proceeds.   
  • Register now for the Christmas Boutique and Luncheon! - This year’s theme is “Fill Your Tree With Music: Have a “Carol-oke” Christmas!” Join us for this favorite parish holiday celebration. Over 300 women participate in the luncheon, filling the Church hall with laughter, music, and holiday treasures and traditions. Families make it a holiday must, and friends come together to celebrate their friendships, faith and Read More »

All news & announcements »

Upcoming events

Fri, Nov 16Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Nov 18Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Nov 18Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Nov 18Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Wed, Nov 21Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Nov 23Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Nov 25Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am