Son of hardware magnate Wm. M. Blair. Edward Blair was a historian. Lived on Lake Shore Drive with his wife, Anna Reubenia "Ruby" McCormick, born 1860, d 1917. They had 4 children: Wm McCormick (who married Helen Hadduck Bowen), Edward Seymour, Edith, and Lucy McCormick (who married Howard Linn).