This Marion County native played key roles in the Women's Christian Temperance Union (WCTU) and the West Virginia Equal Suffrage Association, advocating for women's rights and the passage of the 19th Amendment.

Beyond suffrage, Yost worked on public policy, representing the U.S. at international congresses on alcoholism and holding significant roles in the Republican Party. She championed women's education and prison reform, leaving a lasting impact on both state and national politics.