About St. Mary
St. Mary is a Catholic church located at 519 E. 4th Street, Alton, IL, 62002. You can reach St. Mary at +16184654284.
Patron saint of St. Mary
Mary (the Virgin Mary)
Feast day: Aug 15 (Assumption)
Other churches named after Saint Mary
5 other churches named in honor of Saint Mary are indexed in Churches List. The most-reviewed of those appear below.
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Catholic · Phoenix, AZ
St. Mary
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Catholic · Natchez, MS
St. Mary Basilica
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Catholic · Chicago, IL
Saint Mary of the Angels Church
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Catholic · Chicago, IL
St. Mary of the Lake
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Catholic · Los Angeles, CA
St. Mary
St. Mary's Russian Orthodox Church, Benld, Illinois
St. Mary's Russian Orthodox Church was a church in Benld, Illinois until 2010. Opened in 1907 by Carpatho-Rusyn immigrants, it was converted to the Holy Dormition Monastery in 2010. The church was founded to serve the immigrant mining community. The church is located on Route 66.
Where is St. Mary located?
St. Mary is located at 519 E. 4th Street, Alton, IL, 62002. The building sits at coordinates 38.89105, -90.17743, placing it in Alton, IL 62002.
Location is approximate — drawn from the public street address.
- Private free parking 144 ft
- Public parking 236 ft
- Private free parking 361 ft
- Private free parking 364 ft
- Public parking 561 ft
- Decaro’s · pizza 308 ft
- Bluff City Grill 833 ft
- Flock Food Truck Park & Bar 902 ft
Nearby places drawn from OpenStreetMap, Jun 10, 2026.
The neighborhood around St. Mary
The ZIP code 62002 area around St. Mary is home to 30,166 residents with a median household income of $55,041 and a median age of 41.4 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
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
Questions and answers about St. Mary
- What denomination is St. Mary?
- This church is part of the Catholic tradition.
- Where is St. Mary located?
- St. Mary is located at 519 E. 4th Street, Alton, IL, 62002.
- 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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