The secretary of state shall also take an oath to support the Constitutions of Tennessee and of the United States, and an oath that such person will faithfully execute the duties of the office.
Code 1858, § 196 (deriv. Acts 1796 (Mar.), ch. 2, § 1); Shan., § 244; Code 1932, § 190; T.C.A. (orig. ed.), § 8-303.