Augustus Schoonmaker, Jr. (1828-1894), New York State Attorney General from 1877 to 1879
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Thelma Schoonmaker (born in 1940), Academy Award-winning film editor
In April 1790, Schoonmaker was elected to the 2nd United States Congress, holding office from March 4, 1791, to March 3, 1793.
Schoonmaker was a member of the New York State Senate (10th D.) in 1850 and 1851, and was elected as a Whig to the Thirty-second Congress, holding office from March 4, 1851, to March 3, 1853.
Martinus Schoonmaker (1737–1824) was a New York City clergyman