Mooney married Elizabeth Davenport (May 10, 1856 - August 2, 1946) during this time, and was soon appointed to the Ohio Republican Executive Committee and as chairman of the County Republican Central Committee. He also began his long tenure as President and Treasurer of the Monroe County Agricultural Society.
During this period, Mooney married Elizabeth Davenport in May 1856, and he quickly took on roles such as chairing the Ohio Republican Executive Committee and leading the County Republican Central Committee. He also started a long-term position as president and treasurer of the Monroe County Agricultural Society.