Public Research

Third Unitarian Church Building

Chicago's landmark record gives Third Unitarian Church Building a stable base for work on religious architecture, congregational history, and the longer public life of the site.

Third Unitarian Church Building 301 N Mayfield Av, Chicago, Illinois Precision: Exact

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Quick Take

  • Official status: Chicago individual landmark.
  • Address: 301 N Mayfield Av.
  • Built: 1936,1956.
  • Architect: Paul Schweikher; William B. Fyfe, 1956 addn.

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Why It Matters

Third Unitarian Church Building stabilizes religious architecture, congregational history, and immigration and neighborhood change in one public landmark record.

That is what gives later archival and field work somewhere concrete to begin.

Field Network

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Research Narrative

Landmark Context

Third Unitarian Church Building enters Chicago's public landmark record at 301 N Mayfield Av. The current city data lists it as dating to a construction date of 1936,1956 and credits Paul Schweikher; William B. Fyfe, 1956 addn. It was designated on February 6, 2008. Third Unitarian Church Building can be read through religious architecture, congregational history, and immigration and neighborhood change without losing sight of the actual site.

Third Unitarian Church Building becomes materially clearer through entry hierarchy, towers, and symbolic facade work, parish or congregational buildings nearby, and later reuse, subdivision, or adaptive change. Those clues are often the clearest route into how worship, community identity, and later reuse remain visible in the building.

Research Starting Points

Third Unitarian 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.

Third Unitarian 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.

1936,1956

Development

Construction period recorded in city landmark data

Chicago's public landmark data records Third Unitarian Church Building as built in 1936,1956.

February 6, 2008

Designation

Chicago individual landmark designation

City of Chicago designated Third Unitarian Church Building as an individual landmark on February 6, 2008.

February 2026

Inventory

City landmark address list and data portal record

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

Signals

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Latest 3 stories

Third Unitarian 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
Third Unitarian Church Building
Location
301 N Mayfield Av, Chicago, Illinois
Coverage
Exact

Key Facts

Region
Chicago, Illinois / Midwest
Place type
Campus / Institutional
Current status
Preserved
Address
301 N Mayfield Av
Built
1936,1956
Architect
Paul Schweikher; William B. Fyfe, 1956 addn
Designated
February 6, 2008

Design / Planning Timeline

Paul Schweikher; William B. Fyfe, 1956 addn
1936,1956

Milestone

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

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