Pam, I have a James McCallum on my collateral line. The McCallum that I have is named in the 1880 Census, Berlin Twp, St. Clair Co, Michigan. He married Lorrinda [Mead] Hiller, daughter, Susan. There son Frank was 4 yrs of age in 1880 Census. James McCallum died1920. Hope this helps. Beverly M. Freund, Takoma Park, MD