Isaac C. Delaplaine

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Isaac C. Delaplaine
Member of the U.S. House of Representatives
from 's 8th district
In office
March 4, 1861 – March 3, 1863
Preceded byHorace F. Clark
Succeeded byJames Brooks
Personal details
BornOctober 27, 1817
New York City, New York
DiedJuly 17, 1866(1866-07-17) (aged 48)
New York City, New York
Resting placeGreen-Wood Cemetery
Political partyDemocratic
EducationColumbia College

Isaac Clason Delaplaine (October 27, 1817 – July 17, 1866) was a lawyer and politician who was a U.S. Representative from New York during the American Civil War.


Born in New York City, Delaplaine was the son of a successful merchant. He graduated from Columbia College (now Columbia University) in 1834. He received a gold medal for finishing first in his class, as well as silver medals for placing first in studies of: moral and political philosophy; Greek and Roman literature; and mathematics and astronomy. He received the bronze medal for second place in natural, experimental and mechanical philosophy.

Delaplaine received a master's degree from Columbia in 1837. He studied law, was admitted to the bar in 1840, and practiced in New York City.

He was elected as a Democrat to the Thirty-seventh Congress (March 4, 1861 – March 3, 1863). Serving during the American Civil War, Delaplaine joined most other Democrats in supporting Abraham Lincoln's war measures, but opposing the emancipation of slaves and the suspension of Habeas corpus.

He died in New York City on July 17, 1866. He was interred in Green-Wood Cemetery in Brooklyn, New York.

Delaplaine's daughter Florence (1849-1926) was the second wife of Hamilton Fish II.


U.S. House of Representatives
Preceded by
Horace F. Clark
Member of the U.S. House of Representatives
from New York's 8th congressional district

Succeeded by
James Brooks

 This article incorporates public domain material from the Biographical Directory of the United States Congress website