I purchased the subject undated studio portrait of a young man taken by Carson & Graham Photographic Studio, Hillsdale, MI. It is identified on the back of the mount in period ink handwriting:
"Joe Walwrath [sic] H.C."
The most likely candidate for this individual is Joseph Harvey Walrath, who appears in Public Member Trees posted on ancestry.com, and is listed in the 1880 Census data for Dover, Lenawee Co., MI.Born 14 Jan 1847 in NY, died 31 Aug 1892, Joseph was the son of John Jacob Walrath (1823-1923) and Marietta St. John (1823-1882). He attended Hillsdale College, Freshman class 1871, Senior class 1878, taking courses in Chemistry and Theology. He became a clergyman. He married Lydia Maria Mount (1849-1927) and the couple had five children: Vinnie M. Walrath (1876-), Mabelle Alice Walrath (1878-), Esther L. Walrath (1879-), Albert Leland Walrath (1885-1926), and Milo J. Walrath (1888-).