James Jackman was born 1 February 1833 in Columbus Township, Warren County, Pennsylvania, United States to Daniel Jackman (1790-1860) and Jerusha Humfries (c1794-1843) and died 3 July 1911 of unspecified causes. He married Betsy A. Parsons (1838-1900) 5 March 1860 .
|Offspring of James Jackman and Betsy A. Parsons (1838-1900)|
|Addie C. Jackman (1861-1937)||10 December 1861 Corry, Erie County, Pennsylvania, United States||2 May 1937||John George Kolstee (1856-1925)|
|Charles M. Jackman (1866-)|
|Edna L. Jackman (1871-)|