on november 26, 1895, he married edith rockefeller (1872–1932), the youngest daughter of standard oil co-founder john d. rockefeller and schoolteacher laura celestia "cettie" spelman. mccormick became the third inaugural trustee of the rockefeller foundation. he was also a trustee of the rockefeller-created university of chicago. he and edith resided at 1000 lake shore drive in chicago and were the parents of five children before their divorce in december 1921: