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Young, Ammi B. 
(Lebanon, N.H., 1800-1874).
Contemporary (and possible rival) of Isaiah Rogers.  Prominent Boston architect, and (the first) Supervising Architect of the Treasury in the early-mid 1850s when James K. Wilson designed the Cincinnati Post Office, southwest corner of Vine and Fourth streets, on the later site of H.H. Richardson’s Cincinnati Chamber of Commerce Building.  Succeeded by Isaiah Rogers in the Federal Bureau of Construction.
The U.S. Custom House in Louisville was also built under Young’s tenure.

Withey (1956, 1970), 676-77;
Macmillan Encyclopedia, IV (1982), 463-64 (by Osmund Overby);
Van Vynckt (1993), I, 1010-11, (by Lawrence Wodehouse);
Lee (2000), esp. Chap. III, 39-66;
Painter, AIC (2006), 30, 31.


Ammi B. Young
Column from old Post Office
Pioneer Cemetery, Wilmer Avenue, Columbia-Tusculum

Ammi B. Young (1800-1874), a native of New Hampshire, was supervising architect of the Treasury when the Federal Building and post office were designed. Cincinnati architect James Keys Wilson may have collaborated in the design and construction of the Greek Revival-style edifice at Fourth and Vine streets. When the landmark government building was scheduled for demolition in 1885 to make way for the Chamber of Commerce Building, designed by H.H. Richardson, citizens tried to move and preserve fragments of the handsome structure. This ornate Corinthian column came from the portico.

Young, Isaiah B.
Listed in New York City 1857; in Cincinnati 1869-1871, 1881-1884; Young & Co. 1889; see also Young & Channing 1870.  Provided plans for the Walnut Hills Methodist (Episcopal) Church, SEC E. McMillan St. and Ashland Ave., East Walnut Hills (1870-1872).