The Church of St. Gregory the Great

New York

Address215 Halstead Ave, Harrison, NY 10528
DenominationCatholic
Phone(914) 835-0677
Emailstgreggreat@gmail.com

Services

Mass

Sat4:00 PM to 4:45 PM
Thu

Vigil Mass for Ascension Thursday

Wed7:30 PM

Last updated May 2026

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Map showing location of The Church of St. Gregory the Great

~5,032

estimated members

Based on ARDA 2020 data, this is likely one of 82 Catholic congregations in Westchester County, NY, with an average size of approximately 5,032 members. Catholic accounts for 68% of the county's 671 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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