The mother of Cyrus (the biographical subject) died in Plymouth, Ashtabula county, Ohio.

The evidence

• “Cyrus' school days ended with the death of his mother (in Plymouth, Ashtabula county, Ohio, February 25, 1828), who gave him as her dying injunction, "Be a good boy and meet me in heaven," The family became disbanded, and from this time, his”

  1908-brown-rock-county/34a-biographical-1.md, Vol. 2, PDF p. 312 / book p. 810

  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