I am Larry Stapleton.
Try the Milwaukee County Historical Society.
They showed me Richard Stapleton appeared in the Marine Court of the City of New York, held in the City Hall of the said city on April 1, 1839, and declared on oath in open court that it was his bona fide intention to become a Citized onthe US. Also, November 13, 1847 he did become a citized by Petiton to the honorable judge of the Third Judicial District Court for the Territory of Wisconsin. The land in question is the East Side of 60th Street between Calumet & Bradley Roads, 80 acres in Milw. County.
I file a good posibility I am related to James, born 4/1848, Richard's second son. My read Email is Larry.J.Stapleton@irs.gov
Any information is would be interested in.