Davenport was born in Framingham, Massachusetts, and graduated as an architect from Harvard University in 1901.
[1] His first two decades were spent with firms in Boston and New York City.
[2] List of projects involving Davenport, either as supervising or primary architect, from 1901 onwards: From 1920 to 1942, he worked on building branch buildings across Canada, with the exception of his own residence at 50 Forden Crescent, Westmount, in 1927.
[3] His most critical projects were two bank offices in Montreal and Vancouver:[4] Davenport was married to Virginia Hopkins in 1911.
They had one daughter, Mary Daniels Davenport, who died as an infant in 1912.