She earned her bachelor's and doctorate degrees in 1897 and 1901 from University of Wisconsin–Madison, where she studied under Frederick Jackson Turner.
[4] After graduation, she joined the State Historical Society of Wisconsin as library research assistant to Reuben Gold Thwaites.
Kellogg at the WHS quickly gained notoriety in this field and state historical societies often consulted with her.
[4] Through her research and publications she gained a reputation as one of the leading U.S. historians of the French and British eras in the Great Lakes.
She died in Madison, Wisconsin, on July 11, 1942,[2] and is interred in Forest Home Cemetery in Milwaukee.