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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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

  • Thanksgiving Services - Ecumenical Prayer Service – 7:00 p.m. Wednesday, November 22. Spirit of Peace (55th & Lloyd). Pastor Tim Presiding, Fr. Larry preaching. Bring a pie or treat to share following the service. Or join us for Thanksgiving Day Mass – 8:30 a.m., Thursday, November 23. St. Catherine’s (51st & Center) Facebook0Twitter0Google plus0
  • School Gym Wall Repair - It has been deemed that the exterior of the east gym wall needs attention, which will be addressed in the spring of 2018.  Structural engineers have assessed this as an appropriate timeline and will work to repair this over spring break.  In the meantime, a fenced barrier is being placed around the impacted area as Read More »
  • Holiday Food Boxes for the House of Peace - How are you celebrating Thanksgiving?  Will there be food on your table for everyone?  Our parish has pledged to assist the House of Peace in providing traditional Thanksgiving meals to needy families in Milwaukee, who may not have anything on their table.  Boxes in the gathering space are available for you to take home to Read More »
  • Rosemarie Deisinger Funeral - Rosemarie Deisinger (mother of Rebecca Whitney) passed away on Thursday, November 2nd .  Her Funeral Mass will be held at Saint Sebastian on Thursday, November 9th. The Visitation is from 4:30 pm – 6:30 pm.  The Funeral Mass is at 6:30 pm.  Please remember Rosemarie and her family in your prayers. Her complete obituary is here on this Read More »
  • 20th Anniversary Celebration of Colettascope - Join us at a one-of-kind student art auction fund raiser!  November 11th, 2017 at Mount Mary University from 6:00 pm to 9:30 pm.  With your admission you could be the high bidder on the beautiful art, or non-art baskets.  Stop by the restaurant tree or wine pull.  Click here for  a sneak peek at the art Read More »

All news & announcements »

Upcoming events

Tue, Nov 21Craft Workshop @ St. Sebastian Multi-purpose Room7:00 pm - 9:00 pm
Wed, Nov 22Dress Up Day @ All Day
Wed, Nov 22Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Nov 24Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Nov 26Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Nov 26Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Nov 26Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Wed, Nov 29Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am