Thomas Sinnickson (December 13, 1786 – February 17, 1873) was an American jurist and statesman from Salem, New Jersey.
He represented New Jersey in the United States House of Representatives in 1828–1829.
He was a judge of the court of errors and appeals of New Jersey, and a judge of the court of common pleas for twenty years.
[1] He was the nephew of Congressman Thomas Sinnickson (1744–1817) He was interred at St. John's Episcopal Cemetery in Salem, New Jersey.
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