Ames moved to
Hennepin, Illinois, where he served as postmaster and later as a
probate judge. Ames served in the
Illinois House of Representatives from 1851 to 1852. After his term in the
Illinois General Assembly, he worked as an aide to
Joel Aldrich Matteson. In 1855, he was appointed to the
American consulate in Hamburg, Germany as consul. While serving as consul, he negotiated a postal treaty with Germany. In 1857, he arrived in
Minneapolis, Minnesota where he started an insurance business. From 1861 to 1864, he served as the secretary of the
Minnesota Senate. Later, he served two, one-year terms as the
mayor of Minneapolis from 1870 to 1872, defeating his brother Alfred in the second election. In 1873, Ames lost his bid for a third term as mayor. He unsuccessfully ran for the
Minneapolis School Board in 1875. ==Personal life==