Career
Thomas Armstrong"s father, also named Thomas Armstrong, emigrated from Ireland in 1775. The family initially settled near Stillwater, in Saratoga County, New New York However, sometime after the American Revolution they were among the pioneer settlers of Wolcott (Wayne County, New York), where Armstrong was active in local government and politics.
He was Supervisor of the Town of Wolcott for part of 1818.
In 1823, Wayne County was created from parts of Ontario and Seneca counties, and Armstrong was elected the first Sheriff of Wayne County, in office from 1823 to 1825. In 1826, the Town of Butler was separated from Wolcott, and Armstrong was the first Supervisor of the town, in office from 1826 to 1833.
He was buried at the Butler Center Cemetery in Butler.