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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Community »

Registration is Open!

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Parish »

Read About Our New Pastor

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School »

2019-20 Registration is Open

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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. Mass – 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.  Communion Service – St. Catherine


  • 8:30 a.m. Mass – St. Catherine
  • 8:30 a.m. Communion Service – St. Sebastian

Daily Reading – review the daily Mass readings.

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.


Stay Connected

Stay connected

Click to view the Sunday Bulletin, register to receive newsletters and follow us on Facebook.

Latest news

  • Support St. Sebs on Amazon Prime Day!- Amazon Prime Day is the annual shopping holiday that’s exclusive to Prime subscribers. If you don’t have Amazon Prime, you can sign up for a free trial just to take advantage of the deals. And best of all, you can support St. Sebs! Just register with smile.amazon.com.  Select “St. Sebastian Congregation – Milwaukee” We automatically Read More »
  • After 20 Years, Campaign is Complete- In 1999, St. Sebastian launched its most ambitious building campaign – more than $3 million dollars to update the church and school facilities. With the theme, “Our Faith, Our Family, Our Future, “parishioners Bob Pauly and Ginney Haas Pauly wrote a hymn, “Giving Faith Room to Grow,” and parishioners chipped in to make it happen. And Read More »
  • Garden Ministry- We welcomed St. Sebastian School alums Ken St. Clair and Mary Welch Donovan , along with Sr. Marie Rose Petrie who taught at St. Sebastian from 1962-1969.  They enjoyed their tour of the Church, Gathering Space and the Prayer Garden. The Environment Committee is looking for 1-3 more people to join our team.  Our goal Read More »
  • Running & Rosaries – Meet Fr. Peter Patrick- On Sunday, June 23, Fr. Peter Patrick Kimani was greeted at 8 and 10:30 a.m. St. Sebastian masses with a multitude of voices singing, “All are welcome in this place” – a fitting way to show the parish’s acceptance of our newest administrator. He is the 11th pastor in 108 years. The 44-year old priest Read More »
  • Fr. Larry’s Thank-You Message- What a send-off!  It was an amazing Saturday evening gathering of friends from all over who celebrated not only five years at St. Sebastian and St. Catherine (so far), but a whole 42 years of priesthood.  Did I detect a bit of a “bicycle” theme to the evening with fantastically creative decorations and cakes too Read More »

All news & announcements »

Upcoming events

Mon, Jul 15 - Fri, Jul 19Summer Academy week 4 @ St. Sebastian School8:00 am - 12:30 pm
Wed, Jul 17Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Sun, Jul 21Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Jul 21Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Jul 21Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Mon, Jul 22Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Wed, Jul 24Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am

Live with Purpose – Discover Stewardship

An important act of Stewardship is returning your annual pledge form. Your response tells us your level of involvement in the Parish during 2019. Please consider your response prayerfully. For more information and to download a form, click here.