About St. Mary of the Immaculate Conception
St. Mary of the Immaculate Conception is a Catholic parish located at 1414 King Street, Wilmington, DE, 19801. The St. Mary of the Immaculate Conception parish office answers at +13026520743.
Patron saint of St. Mary of the Immaculate Conception
Mary (the Virgin Mary)
Feast day: Aug 15 (Assumption)
Other parishes 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.
-
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 of the Immaculate Conception located?
St. Mary of the Immaculate Conception is located at 1414 King Street, Wilmington, DE, 19801. The building sits at coordinates 39.72359, -75.54121, placing it in Wilmington, DE 19801.
Location is approximate — drawn from the public street address.
The neighborhood around St. Mary of the Immaculate Conception
The ZIP code 19801 area around St. Mary of the Immaculate Conception is home to 16,545 residents with a median household income of $42,453 and a median age of 34.2 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 of the Immaculate Conception
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 parishes vary — when in doubt, ask a greeter at the door.
St. Mary of the Immaculate Conception on the National Register of Historic Places
St. Mary of the Immaculate Conception is listed on the United States National Register of Historic Places under reference 76000580, added to the Register on 1976-12-12.
Read the official NPS nomination for St. Mary of the Immaculate Conception →
Questions and answers about St. Mary of the Immaculate Conception
- What denomination is St. Mary of the Immaculate Conception?
- This parish is part of the Catholic tradition.
- Where is St. Mary of the Immaculate Conception located?
- The parish is located at 1414 King Street, Wilmington, DE, 19801.
- Is St. Mary of the Immaculate Conception on the National Register of Historic Places?
- Yes — NRHP reference 76000580, added 1976-12-12.
- Who is the patron saint of St. Mary of the Immaculate Conception?
- Saint Mary (Mary (the Virgin Mary)). Feast day: Aug 15 (Assumption).
Visitor notes about St. Mary of the Immaculate Conception
Short, text-only reflections left by visitors. No ratings, no photographs — by editorial policy.
No notes yet for this parish. Visitor notes are coming soon — for now, write to editors@churcheslist.com and we'll post your reflection by hand.