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Private company

Barnett, Haynes & Barnett

Architectural firm based in St. Louis, Missouri, United States1

Barnett, Haynes & Barnett was a prominent architectural firm based in St. Louis, Missouri. Their credits include many familiar St. Louis landmarks, especially a number related to the local Catholic church. Their best-known building is probably the Cathedral Basilica of St. Louis (the 'new' cathedral).2 It was founded by Thomas P. Barnett.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Palace of Liberal Arts
Photo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Barnett, Haynes & Barnett was a prominent architectural firm based in St. Louis, Missouri. Their credits include many familiar St. Louis landmarks, especially a number related to the local Catholic church. Their best-known building is probably the Cathedral Basilica of St. Louis (the 'new' cathedral). A number of the firm's works are listed on the U.S. National Register of Historic Places.2

The story

Founded by Thomas P. Barnett.1

Leadership

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Sources

The numbers on this page point here. Each one links to the record it came from.

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