John McClannahan Crockett

John McClannahan Crockett (December 26, 1816 – August 4, 1887) was an American politician and lawyer who served as the mayor of Dallas for three nonconsecutive terms between 1857 and 1866 as the eighth lieutenant governor of Texas from 1861 to 1863. A South Carolina native, Crockett moved to Texas in 1847.

Early life Crockett was born at Lancaster, South Carolina, on December 26, 1816. He studied at Franklin Academy in Lancaster. Before studying law, he was involved in a business career. He married Catherine W. Polk on March 17, 1837. He started studying law in 1841, and in 1844, he was granted a license to practice law. Crockett was elected as the second mayor of Dallas in 1857, serving for three non-consecutive terms; his last was 1865–1866.

Crockett became meteorological observer for the Smithsonian Institution in Dallas in 1859. He was elected as the eighth Lieutenant Governor of Texas in 1861. He left the lieutenant governor's office in 1863. Despite a supportive constituency, he refused to enter the race for the governorship of Texas. He returned to the Dallas area to become superintendent of the Confederate arms factory in Lancaster, Texas.

After the war, he incorporated the Dallas Grain, Elevator, and Flouring Company in 1872. In 1875, he became a charter member of the executive committee of the Dallas Pioneers Association.

Death Crockett died on August 4, 1887; he was interred at the Old Masonic Cemetery, Dallas.