St. Mary

About St. Mary

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St. Mary is a Catholic church located at 1706 West Main Street, Belleville, IL, 62226. You can reach St. Mary at +16182332391.

St. Mary is one of 95 churches we list in Belleville, among 13,817 across Illinois. It falls within St. Clair County and the St. Louis, MO-IL metro area. It is counted among 16 Catholic churches in Belleville, part of 1,563 in the Catholic tradition across Illinois.

Patron saint of St. Mary

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Other churches named after Saint Mary

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5 other churches named in honor of Saint Mary are indexed in Churches List. The most-reviewed of those appear below.

• Catholic · Phoenix, AZ

  St. Mary

• Catholic · Natchez, MS

  St. Mary Basilica

• Catholic · Chicago, IL

  Saint Mary of the Angels Church

• Catholic · Chicago, IL

  St. Mary of the Lake

• Catholic · Los Angeles, CA

  St. Mary

Where is St. Mary located?

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St. Mary is located at 1706 West Main Street, Belleville, IL, 62226. The building sits at coordinates 38.51812, -90.00377, placing it in Belleville, IL 62226.

Location is approximate — drawn from the public street address.

Nearby places drawn from OpenStreetMap, Jun 11, 2026.

The neighborhood around St. Mary

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The ZIP code 62226 area around St. Mary is home to 29,333 residents with a median household income of $66,054 and a median age of 41.0 years, according to the US Census Bureau's 2022 American Community Survey 5-year estimates.

US Census Bureau, American Community Survey 2022 five-year estimates.

What to expect at a service at St. Mary

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Roman Catholic parishes follow a structured liturgy called the Mass, celebrated worldwide in the same order.

• Mass lasts about an hour and includes Scripture readings, a homily, hymns, and Holy Communion.
• Visitors are welcome. Only baptized Catholics in good standing receive Communion; others come forward with arms crossed for a blessing.
• Dress is modest but not formal — business casual is typical for Sunday Mass.

Generalized notes for first-time visitors. Individual churches vary — when in doubt, ask a greeter at the door.

Your Sunday at St. Mary

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Questions and answers about St. Mary

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What denomination is St. Mary?

This church is part of the Catholic tradition.

Where is St. Mary located?

St. Mary is located at 1706 West Main Street, Belleville, IL, 62226.

Who is the patron saint of St. Mary?

Saint Mary (Mary (the Virgin Mary)). Feast day: Aug 15 (Assumption).

Photographs of St. Mary

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Photographs via Wikimedia Commons. Click through for author and licence.

Visitor notes about St. Mary

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Short, text-only reflections left by visitors. No ratings, no photographs — by editorial policy.

No notes yet for this church. Visitor notes are coming soon — for now, write to editors@churcheslist.com and we'll post your reflection by hand.