John Alexander Greer, early settler, lieutenant governor, and legislator, was born in Shelbyville, Tennessee, on July 18, 1802. He moved to Texas in 1830 from Kentucky. He married Adeline Minerva Orton on May 18, 1836. Greer was a senator representing San Augustine in the Texas Congress from 1837 through 1845; he served in all but the First Congress. He was appointed secretary of the treasury by President Anson Jones in July 1845 and became lieutenant governor of the state of Texas in 1847. He held the position until 1851 and was campaigning for the governorship when he died on July 4, 1855. Greer was buried on his farm nine miles northwest of San Augustine. His remains were moved to the State Cemetery in 1929.