Evans pursued social reform, serving in a variety of positions. She was a trustee of the Massachusetts State Reform Schools from 1886 through 1914. She was a member of the Women's Educational and Industrial Union of Boston as well as the Boston Women's Trade Union League, the Massachusetts Minimum Wage Commission, and the Massachusetts Consumers' League. In 1915 Evans served as a delegate to the International Congress of Women at the Hague. She was the first National Organizer of the Woman's Peace Party. From 1920 until her death she was a national director of the American Civil Liberties Union.