187 Bellevue Avenue
Upper Montclair, NJ 07043
P: (973) 744 – 2850
F: (973) 744 – 6187

Mondays through Fridays
9:00am – 3:30pm


The Lord’s Day Mass:
Saturday – 5:30pm
Sunday – 7:30am, 9:00am, 10:30am, 12:00pm

(June 25 through Sept. 3)
7:30am, 9:30am, 11:30am

Daily Mass:
Monday through Saturday 8:15am

Saturdays 4:15pm-5:00pm


Welcome to St. Cassian Church

Saint Cassian is a community alive in the love of the Lord and each other. We have a responsibility to be a sign of this love in the world around us, to express this love through our teaching, worshipping, and service to others. We urge all parishioners to make regular use of the envelopes, or sign up for Faith Direct. Faith Direct is an easy, convenient and secure way to do online giving. Click here to learn more. If you are moving from the Parish, please notify the Parish Office.

Religious Education Online Registration

We are introducing online registration for the 2017-2018 CCD year.  For more information or to register for CCD, click here.

Youth Group Registration

The St. Cassian Youth Ministry is an active ministry offering social, spiritual, educational, and service opportunities to youths in Grades 7 through 12.  To receive updates via text and email, fill out the registration form (found in the parish bulletin) or register online by clicking below.

Celebrating Fr. Marc’s 20th Anniversary in the Priesthood!

St. Cassian School and Church celebrate Father Marc Vicari’s 20th anniversary as a priest with this video tribute. Fr. Marc Vicari has been the Pastor of St. Cassian Church in Upper Montclair since February 2011.

God’s Word Today:

Catholic Bible Conference

The Archdiocese of Newark has entered into a partnership with the American Bible Society and will be holding the first Catholic Bible Conference of the Archdiocese at Mother Seton Regional High School in Clark, NJ on April 14, 2018 .  For more details or to register, click below.

 Weekly Stations of the Cross

Join us Friday during Lent after the 8:15am Mass for a weekly prayer of the Stations of the Cross.

Fathers Who Cook Fundraiser

Fr. Marc would like to thank all our chefs who attended our January Fundraiser.  The food was delicious and our venue was filled with great smells and happy laughter from our parish family!  All leftovers were gratefully received at the Montclair Emergency Services for the Homeless.