Mary McElwain married Addison Ault on April 6, 1876 and settled on a farm near Baldwin City, KS. Addison Ault and his wife had eight children, seven of whom graduated from Baker University. The Ault family papers include materials relating to several of those eight children.

Alvin W. Ault, Baker University class of 1901, was the eldest of Mary and Addison Ault’s children. After Mr. Ault graduated from Baker University, he became the superintendent of the Cottonwood Falls and Kingman, KS schools. After he finished his post-graduate work at the University of Southern California, he became a math teacher for the Los Angeles public school system for over 35 years.

Harley Addison Ault, Baker University class of 1906, was the fourth child of Mary and Addison Ault. He later served on Baker University’s Board of Trustees. After graduation, he attended Columbia Law School and settled in Kansas City, Missouri to practice law. He served as the city attorney for several years. In World War I, Mr. Ault also served as a First Lieutenant in Field Artillery.

James Percy Ault, Baker University class of 1904, continued his studies and graduated from Columbia University in 1909, where he studied Mathematics, Astronomy, and Physics. He became a magnetician for the Carnegie Institution of Washington in 1909, and commander of the non-magnetic research ship, the Carnegie, in 1915.

Warren Ault, Baker University class of 1907, continued his studies at Oxford University in England, where he became one of the first Americans Rhodes Scholars in 1910. He taught history at Baker University from 1910-11. He then went on to receive his MA at Oxford University, in 1915. He then studied at Yale University, where he received a Fellowship in History, 1911–1913. He earned his Ph.D. in 1919. Dr. Ault authored several books and many articles in the field of history. In 1969, he spent on semester at Baker University as a Visiting Distinguished Professor of History.