October 19, 1871
Washington, D.C., U.S.
|Died||May 29, 1925
Manhattan, New York City, U.S.
|Education||École des Beaux-Arts, Paris
|Known for||Terminal Station (1908)
Lotos Club (1909)
Connecticut State Library and Supreme Court Building (1908-1910)
Berzelius Society building (1910)
Travelers Tower (1919)
New York Cotton Exchange (1923)
|Spouse(s)||Elsie Yandell (1874-1939)
(m. 1899; her death 1939)
Barber was born on October 19, 1871 in Washington DC to Charles Gibbs Barber.
He was the grandson of Hiram Barber. He studied at Holbrook Military Academy in Ossining, New York, was graduated from Yale University in 1893, where he was chairman of campus humor magazine The Yale Record and a member of the Berzelius Society.
He then took post-graduate architectural courses at Columbia University and the École des Beaux-Arts, Paris under Paul Blondell and Scellier de Gisors. He was the ninth U. S. student to receive a diploma.
After returning and serving apprenticeships in the offices of Carrere & Hastings, Cass Gilbert and Lord & Hewlett, he set up his own firm around 1900. In 1923, Barber was elected into the National Academy of Design as an Associate member.
In 1899 Barber married Elsie Yandell of Louisville, the sister of sculptor Enid Yandell.
His descendants include Louise Serpa, the famous rodeo photographer from Tucson, and her family.
Barber's designs include:
- Terminal Station, built 1908, 1434 Market St., Chattanooga, TN, NRHP-listed
- Berzelius Society building, Yale University, New Haven, Connecticut, 1910
- Connecticut State Library and Supreme Court Building, built 1908-1910, 231 Capitol Ave., Hartford, CT (with E.T. Hapgood) NRHP-listed
- Lotos Club, 110 West 57th Street, New York, New York, 1909 
- Village Hall, 16–20 Croton Avenue, Ossining, New York, 1914
- Travelers Tower, downtown Hartford, Connecticut, 1919
- the New York Cotton Exchange, New York, New York, 1923 (from a 1912 competition design)
- Capital City Club, 7 Harris St., NW, Atlanta, GA, NRHP-listed
- The Hartford Times Building, downtown Hartford, Connecticut
- The Hartford Aetna National Bank, Aetna Life Insurance, in Hartford
- The Department of Justice Building in Washington, D.C.
- and in Manhattan: the National Park Bank, the Mutual Bank, the Institute of Musical Art.
Travelers Tower in Hartford, Connecticut
Terminal Station, Chattanooga, Tennessee
The Capital City Club in Atlanta, Georgia
Berzelius Society Building (circa 1908) in New Haven, Connecticut
The Hartford Times Building (1920)
- "Donn Barber". Time magazine. June 8, 1925.
- "Donn Barb Dies In His Sleep At 53. Eminent Architect, Designer of the New Broadway Temple. President of New York Architectural League". New York Times. May 30, 1925.
- The National cyclopaedia of American biography: being the history of United ... by James Terry White, Raymond D. McGill, H. A. Harvey, page 379
- "Donn Barber". Obituary Record of Yale Graduates 1924-1925. New Haven: Yale University. August 1, 1925. p. 1492.
- National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
- Architecture, Volume 19, number 6, page 81
- The Commercial and Financial Chronicle, Volume 113, Issue 2, page 2150