MacIntyre was born near Marion, Georgia, in 1822 and moved to Thomas County, Georgia in 1826. He studied law in Monticello, Florida and Macon, Georgia before gaining admittance to the Georgia state bar in 1843 and becoming a practing attorney in Thomasville, Georgia.
In 1849, MacIntyre was elected to the Georgia House of Representatives. He served as a Confederate States Army colonel in the Eleventh Infantry of the Georgia Guards during the Civil War. After the war, he was a delegate to the State constitutional convention in 1865. MacIntyre was elected in 1870 as a Democrat to the U.S. House of Representatives to the 42nd Congress. He served one term from March 4, 1871 until March 3, 1873 and did not run for reelection in 1872
After his congressional service, MacIntyre continued practicing law in Thomasville. He also served on the board of trustees of the University of Georgia in Athens and the Georgia State Sanitarium. He died in Thomasville on January 1, 1900, and was buried in that city's Laurel Hill Cemetery.
- Archibald T. MacIntyre at the Biographical Directory of the United States Congress Retrieved on 2008-09-28
Template:Start box |- ! colspan="3" style="background: #cccccc" | United States House of Representatives Template:USRepSuccessionBox |}
|38px||This article about a politician from the state of Georgia is a stub. You can help Wikipedia by expanding it.|