In April 1890, Harpster was appointed stenographer and private secretary for D. L. Davis, president of the Gospel News Company and editor of the
Union Gospel News. At the same time, she was an able literary writer, which admitted her to exclusive circles. They married on August 16, 1893. The following day, they left for the
Columbian Exposition in
Chicago. In 1899, Mr. Hartness was made the head of the Jones & Lamson Machine Company in London, England; they moved to that city, With her husband, Mrs. Hartness visited nearly every country on the European continent. A writer, lecturer, and lady of letters, Mrs. Hartness served as honorary secretary of the American Circle in London. She was a delegate to the
International Peace Congress in London some years later. As a special delegate of the American Circle of the
Lyceum Club of London, she attended the meeting of the
National League of American Pen Women in
Washington, D.C. In June of the following year, she accepted a position as private secretary to D. L. Davis, editor of the
Union Gospel News. During
World War I, she worked for the American Circle of London. ==Personal life==