His father was William Grigsby McCormick (1851–1941), whose father William Sanderson McCormick (1815–1865) was one of the founders of McCormick Harvester, which merged in 1902 with the Deering Harvester Company founded by William Deering and others to form International Harvester Corporation.
Robert R. McCormick | McCormick Theological Seminary | McCormick Foundation | Maureen McCormick | Cyrus McCormick | William Grigsby McCormick | McCormick family | Carlo McCormick | William McCormick Blair, Jr. | Robert "Mack" McCormick | Richard Cunningham McCormick | Michael McCormick | McCormick | Kathryn McCormick | Donald McCormick | Cyrus McCormick Farm | Chauncey Depew | William Sanderson McCormick | Robert R. McCormick School of Engineering and Applied Science | Richard McCormick | Michael E. McCormick | Matt McCormick | Hugh McCormick Smith | Donald McCormick (footballer) | Chauncey Wright | Chauncey Steele III | Washington J. McCormick | Terri McCormick | Sierra McCormick | Robert McCormick Adams, Jr. |