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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Faith Formation »

Classes for K5 – 10th Grade

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New Cluster Name

Saint Sebastian Parish is a member of Milwaukee Westside Catholic Parishes along with Saint Catherine Parish and Mother of Good Counsel Parish.

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

  • Farewell Fr. Joe! - Our regular 8 a.m. Sunday presider, Fr. Joe Jagodensky, is leaving to become associate pastor of Christ King and St. Bernard. Our parish has enjoyed his provocative homilies for many years, and you can continue to read them on his blog and writing books. Please join us to celebrate his service to St. Sebastian on Read More »
  • PAL Summer Camp Program - PAL Program
  • Altar Server Training - Active participation in liturgy is one strong and positive way to remain active and involved in the faith – and that’s especially true for kids! We invite youth – boys and girls – who have completed 5th Grade to become altar servers at Saint Sebastian. Training will be offered at the church on these days: Read More »
  • Parish House Summer Hours - Starting June 12, and for the remainder of the summer, Monday through Thursday, the parish house office will close at 7:30 pm. The office will still be open 9:00 am to 5:00 pm on Friday and 9:00 am to 1:00 pm on Saturday.
  • Vacation Bible School Cancelled - Unfortunately, we have to cancel for this year! If you’re still looking for exciting things to do with kids, consider the St. Sebastian PAL Summer Camps. Click here to learn more.

All news & announcements »

Upcoming events

Wed, Jul 26Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Fri, Jul 28Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Jul 30Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Jul 30Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Jul 30Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Wed, Aug 2Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Fri, Aug 4Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sat, Aug 58th Grade Car Wash @ Greiten's Auto Service9:00 am - 3:00 pm
Sun, Aug 6Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am