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 »

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.

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

  • Lenten Book Discussion Registration - At Christmas, we distributed copies of Pope Francis’ The Joy of the Gospel. We invite you to join a Lenten Discussion Group to reflect on and discuss the pope’s teachings. Groups will meet 5 weeks, beginning March 10th. Send an email to Ed Duncklee (eduncklee@saintsebs.org) with this information: Your Name Phone Number Email Please list first Read More »
  • St. Sebastian Campus Closed February 12 - Because of the snow, St. Sebastian school and parish offices are closed, along with St. Coletta and PAL. If you live nearby, consider helping us shovel out after you’ve done your own walks!
  • New Parishioner Souper Supper - Sunday February 10, 4:00 to 5:45 p.m. (wrapping up in time to get to 6:00 Mass!). All parishioners are invited to a special soup supper to welcome anyone who has joined the parish in the past year. We’ll have a variety of soups, along with fresh bread and salad. It’s a great way to meet Read More »
  • Be Part of the Parish Budget Process - How do you plan your budget each year? Generally, you start with the income and expenses of the prior year and then think about what might be different. The Parish plans the same way. We examine last year’s budget and take our best estimate as to how it might change. When you return your pledge Read More »
  • Winter Farmers Market Volunteers Needed! - The 10th Winter Farmers Market and Meal is one of St. Sebastian Parish’s biggest public events – with plenty of volunteer opportunities for middle-schoolers through adults.  See the list of volunteer opportunities below – or even better, register on the MySebs Sign Up homepage at bit.ly/SebsVol. When you have an account, scroll down to the calendar. Read More »

All news & announcements »

Upcoming events

Sun, Feb 17Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Feb 17Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Feb 17Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Mon, Feb 18No School @ All Day
Wed, Feb 20Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Feb 22Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Feb 24Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 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.