
200 St. Gregory Court, Williamsville, NY 14221
PARISH OFFICE
MON-FRI 8:30 am - 4:00 pm
(716) 688-5678 | Fax: (716) 688-2315
Mass Times
Monday - Friday: 7:00 am, 12:00 noon
Saturday - 8:00 am, 4:00 pm Vigil
Sunday - 8:00 am, 10:00 am, 12:00 noon
ADORATION Open 24/7. An access code is needed between 9:00 pm—6:00 am. Parishioners: call the Parish Office for the code at
(716) 688-5678.
DIVINE MERCY AND ROSARY After the 7:00 am and
12:00 noon daily Mass.
FIRST SATURDAY DEVOTION First Saturday of the month, 8:00 am Mass in the Church, followed by Rosary in Gathering Room 1, in reparation to the Immaculate Heart of Mary.
FIRST SATURDAY ANOINTING First Saturday of the month after the 4:00 pm Vigil Mass.
ROSARY FOR THE COUNTRY 12:00 noon every Saturday in the
Grotto or Church, depending on the weather.
VESPERS Every Tuesday at 6:30 pm in Church.
St. Gregory the Great Parish, a large and diverse Faith Community, affirms the presence of Christ in the Eucharist and among us. We sustain our vitality through shared experiences of liturgy, sacrament, prayer, and service.
We dedicate ourselves to being a vital part of the Church in the Diocese of Buffalo by maintaining and expanding our:
- Spiritual focus
- Knowledge and understanding of our Faith and our Church
- Spirit of welcome and reconciliation
- Generous sharing of our God-given talents and resources
- Compassion and concern for those in need

