Jacob Aaron Westervelt
Jacob Aaron Westervelt (January 20, 1800 – February 21, 1879) was a renowned and prolific shipbuilder who constructed 247 vessels of all descriptions during his career of over 50 years. From 1853 until 1855 he was Mayor of New York City.
Jacob R. Eckfeldt
Jacob Reese Eckfeldt (born in Philadelphia in March 1803; died there 9 August 1872) was an assayer for the United States Mint in Philadelphia.