In 1935, Michener married Patti Koon. He accepted a Guest Lecturer position at Harvard, from 1939 to 1940, but left to join Macmillan Publishers as their social studies education editor.
Michener was married three times. In 1935, he married Patti Koon. In 1948, they divorced, and the same year Michener married his second wife, Vange Nord.