His father was a slave-trader, merchant, signer of the Declaration of Independence and the Constitution, and later a U.S.
[5] He was not a candidate for renomination, and resumed the practice of law in New York City in 1803.
He was appointed United States Marshal for the Southern District of New York in 1816, 1820, 1825, and 1829.
[4] Morris was said to have settled the peace with the Six Nations of the Iroquois Confederacy, four of whom had sided with the British during the Revolution.
[6] His father then sold his substantial property in Western New York, which the younger Morris oversaw,[7] to the Holland Land Company in 1792–1793 for redevelopment in parcels,[8] although some sources identify the sale at five years later, in 1797–1798.