Dear Friends in Christ,

A sincere and heartfelt welcome to Sacred Heart - St. Casimir Parish. We are very pleased you have joined our parish and we look forward to your presence in our community. We pray that you will find in us a true reflection of Jesus Christ, and that as instruments of His grace we will together experience spiritual fulfillment and joy in the Lord. 

We encourage you to take advantage of the many opportunities to participate in the life of the parish. Please don't hesitate to share with us your thoughts and ideas on how we might make our parish an even better witness to Christ and how we might invite others to experience His peace and joy.

We are truly happy and blessed that you are a member of the Sacred Heart - St. Casimir family. Welcome to our parish.

Sincerely yours in Christ,

Fr. Marianand Mendem

Registration Steps

Whether you are joining our parish for the first time or returning to our parish, we are elated to have you as a part of our community. To register, please complete the steps below. If you have any questions feel free to stop by the parish office or to call us at 913-772-2424.


Step 1: Complete the Sacred Heart - St. Casimir Parish Registration Form online. Click HERE to access the form.

Step 2: Complete the Time and Talent sheet. Click HERE to access the form.

Step 3: Come by the Parish Office during operating business hours to pick up your welcome packet that will contain additional resources about our Parish. 

Note: Hard copies of the registration forms are available in the Parish office.

Quick Links

Sacred Heart - St. Casimir Parish Office
521 Linn Street
Leavenworth, Kansas 66048
Office: (913) 772-2424
Parish Rectory: (913) 250-5135
Open Monday - Thursday, 9 AM - 3 PM
Office Manager:
Father Mendem:
Sacred Heart Catholic Church
1405 2nd Avenue
Leavenworth, Kansas 66048
See mass times
St. Casimir Catholic Church
715 Pennsylvania Avenue
Leavenworth, Kansas 66048
See mass times
Mass and all church services are subject to the COVID-19 regulations implemented by Leavenworth County and the Archdiocese of Kansas City in Kansas. If you have any questions please contact the parish office. 
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© 2019 by Sacred Heart - Saint Casimir Catholic Parish