Michigan was not yet a state in July 1829 when Horace Blackman of Berkshire, New York, arrived in Ann Arbor to visit his friend Jonathan F. Stratton, who advised Blackman to make a location claim in a new county that had just been surveyed west of Washtenaw County. Along the way, the came to the mouth of the St. Joseph Indian Trail, which crossed the Grand River. The earliest pioneers of Jackson stayed there for the first night at what are now Jackson and Trail Streets. The town was first called Jacksonopolis. Later, it was renamed Jacksonburgh. Finally, in 1838, the town's name was changed to simply Jackson.