Stephen Hoyle, secretary to Anson Jones, was in Texas as early as May 1838, when he was a clerk in the auditor's office. He wrote to Mirabeau B. Lamar in February 1839 and was appointed enrolling clerk of the Fourth Congress, 1839–40. He was a member of the Texan Santa Fe expedition in 1841, after which he returned to government service; he was secretary of the Senate of the Seventh Congress and in 1842 secretary of state. Hoyle was private secretary to Anson Jones in 1845. At the same time he was secretary of the Masonic lodge at Washington-on-the-Brazos. Jones sent Hoyle to Mexico to assist British ambassador Charles Elliot in securing release of the survivors of the Mier expedition and other Texans held prisoner by the Mexican government. Hoyle was elected secretary pro tem of the 1846 Senate.