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Address

521 James Street
Clayton, NY 13624

About St. Mary

Tucked in the Thousand Islands village of Clayton, New York, St. Mary serves year-round residents and the waves of summer visitors who arrive on the St. Lawrence River each season — shifting its Sunday Mass from 9 AM to 10 AM between July 4 and Labor Day weekends to welcome them. Part of a dual-parish family with St. John the Evangelist in Lafargeville, this Diocese of Ogdensburg parish holds daily morning Mass Monday through Saturday and a Saturday vigil.


St. Mary is a Roman Catholic parish in Clayton, New York, part of the Diocese of Ogdensburg. The parish offers Mass 8 times per week, including Sunday at 9 AM and 10 AM. View the full schedule below.

Mass Schedule

Sunday

9 AM(weekend after Labor Day through weekend before July 4)
10 AM(July 4 weekend through Labor Day weekend)

Monday

9 AM

Tuesday

9 AM

Wednesday

9 AM

Thursday

9 AM

Friday

9 AM

Saturday

4 PM(All Year)

Mass and sacrament times can change for holy days, seasons, and special events. Please confirm directly with the parish before visiting.

Frequently Asked Questions

What are the Mass times at St. Mary?

St. Mary Mass times: Sunday at 9 AM, 10 AM. Weekday Mass is also celebrated on Thursday, Tuesday, Monday, Friday, Wednesday.

Is there a Saturday Vigil Mass at St. Mary?

Yes, St. Mary celebrates Saturday Vigil Mass at 4 PM. The Saturday Vigil Mass fulfills the Sunday Mass obligation for Catholics.

Does St. Mary have daily Mass?

Yes, St. Mary offers daily Mass on Monday, Tuesday, Wednesday, Thursday, Friday. Common weekday Mass times: 9 AM.

Where is St. Mary located?

St. Mary is located at 521 James Street, Clayton, NY 13624. Get directions using the "Directions" button on this page.