Hiram Congdon House was created in 1848.
Hiram W. Johnson House was created in 1810.
Freedom House was created in 1941.
Gorham House was created in 1926.
Crowninshield House was created in 1872.
Apponegansett Meeting House was created in 1791.
Hiram House was created in 1896.
Hiram Krum House was created in 1865.
Hiram Griggs House was created in 1873.
Hiram Ramsdell House was created in 1858.
Hiram B. Austin House was created in 1837.
Hiram W. Johnson House was created in 1810.
Bishop Hiram A. Boaz House was created in 1926.
Congdon Street Baptist Church was created in 1874.
Hiram C. Stewart House was created in 1906.
The Hiram Key was created in 1997.
Amanda Congdon's birth name is Amanda Thornton Congdon.
Don Congdon's birth name is Donald Keith Congdon.