A turn-of-the-century American historian, suffragist, scholar, and writer, she is best known for her 1933 work, Sacajawea. Her earlier publications include The Government of Wyoming, Washakie, and The Pathbreakers from River to Ocean.
See studied civil engineering at the University of Iowa. She later earned a PhD in political science from Illinois Wesleyan University.
She was born in Clinton, Iowa to Rev. George Diah Alonzo Hebard and Margaret E. Dominick Hebard.
She and Frances Willard were both known for their work as suffragists.
As a member of the Wyoming Historical Association, she established the Wyoming branch of the Daughters of the American Revolution.