Hamilton Richardson was born in the town of Le Roy, New York.

The evidence

• “HAMIL,TO]V RICHARDSON was bom in the town of Le Roy, N. Y., Oct. 17, 1820 ; his parents were farmers in comfortable circumstances, and his educational advantages as good as could be furnished by the country schools of the day ; when only 15 years of age, he entered the service of a mercantile firm and became a member of the family of one of its partners, a personal friend of his father's, and a most accomplished business man, with whom he emigrated to the State of Michigan, which had just been admitted into the Union ; most of the State of Michigan was at that time literally a wilderness ; its small population was located upon its southern border, but the firm with which young Richardson was engaged, plunged into the depths of the forest and commenced the building of what is now the city of Flint, one of the most beautiful and prosperous of that rich and prosperous State. They laid out !) large part of the city, built the first dam across the Flint River, erected the first saw-mill upon its banks, and were the first to establish a mercantile house in the county of which that city is the capital; their business, which included banking, was for a time prosperous, but they were overta”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 715 / book p. 719

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources

  

• “Hamilton Richardson, a prominent business man and early settler of Janesville, Wis., was born in the town of Le Roy, Genesee county, N. Y., on October 17, 1820, and was a son of William and Mary (Pierson) Eichardson. His father, who was of Scotch and English descent, was born in Johnstown, N.”

  1908-brown-rock-county/34c-biographical-3.md, Vol. 2, PDF p. 428 / book p. 919

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources