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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Faith Formation »

Afternoon Off for Parents!

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Holy Days »

Liturgical Schedule

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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

  • Starting your Christmas shopping? - Don’t forget to check out our SCRIP program. SCRIP is a fundraising program in which all parish members, school families or Faith Formation families can choose to participate without incurring additional expenses. It’s an easy way to contribute financially to the parish or to get credit toward education registration fees. Participating vendors sell certificates to the St. Sebastian SCRIP Committee at Read More »
  • Mary Blewett Funeral - Funeral services are scheduled for Tuesday, December 12  for longtime parishioner Mary Blewett, wife of Peter and mother of Hugh. Rosary is at 9:30, visitation is at 10 am, with the Mass to follow at 11 am. Please keep her family in your prayers. Facebook0Twitter0Google plus0
  • Christmas Movie Night! - The 5th Grade Girl Scout Troop is hosting a Christmas Movie Night on Friday, December 8 in the Church Hall.   6-7 p.m.  Rudolph the Red Nosed Reindeer & Frosty the Snowman  7-9 p.m.  Elf (Will Farrell) PG *See review on www.commonsensemedia.org to decide if this movie is appropriate for your child. Girl Scouts will Read More »
  • Auction Results - We are pleased to announce that the 2017 Parish Auction was a great success! Thanks to all of the committee members and attendees for making this a memorable evening. In addition to the exciting of the night of fun and fellowship, we raised over $55,000! From Auction Chair Kelly Bentfield: Remember Philippians 4:13 “I can do all Read More »
  • Giving Tree Wish List - The 2017 St. Sebastian Human Concerns Committee is sponsoring the annual Advent Giving Tree in the Gathering Space. Thank you for your help in bringing Christmas a little early to the recipients of these agencies’ ministries. Please take a tag, purchase the gift listed on the tag (no substitutions please) and return it on 12/3 Read More »

All news & announcements »

Upcoming events

Wed, Dec 132:00 pm Dismissal @ All Day
Wed, Dec 13Weekday Mass @ St. Sebastian Church8:15 am - 9:15 am
Fri, Dec 15Weekday Mass @ St. Sebastian Church8:30 am - 9:30 am
Sun, Dec 17Sunday Mass - 8 am @ St. Sebastian Church8:00 am - 9:00 am
Sun, Dec 17Sunday Mass - 10:30am @ St. Sebastian Church10:30 am - 11:30 am
Sun, Dec 17Advent Fun Day @ St. Sebastian School Cafeteria1:00 pm - 5:00 pm
Sun, Dec 17Sunday Mass - 6pm @ St. Sebastian Church6:00 pm - 7:00 pm
Tue, Dec 19Christmas Concert @ St. Sebastian Church6:30 pm - 8:00 pm
Tue, Dec 19Christmas Concert @ St. Sebastian Church6:30 pm - 8:15 pm
Wed, Dec 202:00 pm Dismissal @ All Day