Public Research

St. Gelasius Church Building

St. Gelasius Church Building is a concise public starting point for religious architecture and congregational history, anchored by Chicago's landmark designation.

St. Gelasius Church Building 6401-09 S Woodlawn Av, Chicago, Illinois Precision: Exact

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Quick Take

  • Official status: Chicago individual landmark.
  • Address: 6401-09 S Woodlawn Av.
  • Built: 1923-28.
  • Architect: Henry J. Schlacks.

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Why It Matters

St. Gelasius Church Building keeps religious architecture, congregational history, and immigration and neighborhood change grounded in one address and one building.

That public anchor is what allows later work on ownership, alteration, neighborhood setting, and interpretation to build outward in a disciplined way.

Field Network

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Research Narrative

Landmark Context

St. Gelasius Church Building is fixed in the city's landmark record at 6401-09 S Woodlawn Av. City records connect the site to a construction date of 1923-28 and credits Henry J. Schlacks. It was designated on January 14, 2004. St. Gelasius Church Building already ties religious architecture, congregational history, and immigration and neighborhood change to one real building before archival digging begins.

St. Gelasius Church Building becomes easier to read on site when attention turns to entry hierarchy, towers, and symbolic facade work, parish or congregational buildings nearby, and later reuse, subdivision, or adaptive change. The point is not just to admire the building but to understand how worship, community identity, and later reuse remain visible in the building.

Research Starting Points

St. Gelasius Church Building starts to deepen once research reaches congregational records, permit files, and historic photographs and neighborhood reporting. That is where early landmark facts begin to connect to a fuller chronology of change, use, and interpretation.

St. Gelasius Church Building still needs permits, photographs, and comparison, but the landmark record gives that work a stable point of return.

Public Actions

Campaign / Petition Record

Ordered oldest to newest.

1923-28

Development

Construction period recorded in city landmark data

Chicago's public landmark data records St. Gelasius Church Building as built in 1923-28.

January 14, 2004

Designation

Chicago individual landmark designation

City of Chicago designated St. Gelasius Church Building as an individual landmark on January 14, 2004.

February 2026

Inventory

City landmark address list and data portal record

St. Gelasius Church Building remains listed in Chicago's public individual-landmark address list and open-data record.

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Latest 2 stories

St. Gelasius Church Building, Chicago, Illinois

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Sources

Source Trail

Chicago Landmark Name List 2025.6

institution

Use for official landmark status and naming.

City of Chicago Open Data: Individual Landmarks

dataset

Use for address, built date, architect, and point geometry in the city data portal.

Chicago Landmark Address List February 2026

institution

Use for address normalization and cross-checking the city's public landmark list.

Place Snapshot

Place
St. Gelasius Church Building
Location
6401-09 S Woodlawn Av, Chicago, Illinois
Coverage
Exact

Key Facts

Region
Chicago, Illinois / Midwest
Place type
Campus / Institutional
Current status
Preserved
Address
6401-09 S Woodlawn Av
Built
1923-28
Architect
Henry J. Schlacks
Designated
January 14, 2004

Design / Planning Timeline

Henry J. Schlacks
1923-28

Milestone

Use as a starting point for confirming authorship against permits, drawings, and later landmark reports.

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