St Gregory the Great Catholic Church
Trenton, New Jersey
DenominationCatholic
Phone+1-609-587-4877
Services
Vigil
Sat5:00 PM
Liturgy
Sun7:30 AM, 9:00 AM, 10:30 AM, 12:00 PM
Mon7:00 AM, 8:30 AM
Tue7:00 AM, 8:30 AM
Wed7:00 AM, 8:30 AM
Thu7:00 AM, 8:30 AM
Fri7:00 AM, 8:30 AM
Sat8:30 AM
Last updated May 2026

1,000-5,000
estimated members
This is likely one of 23 Catholic congregations in Mercer County, NJ. Catholic accounts for 58% of the county's 299 congregations.
This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.
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