He enlisted in Co. E, 1st Arkansas Cavalry, U.S. Volunteers, at Cassville, Missouri, on August 15, 1862; age 24, born in Perry County Tennessee. He was mustered into service on August 25, 1862, for a term of three years, and was mustered out with his regiment at Fort Smith, Arkansas, on August 23, 1865. He was a resident of Franklin County, Arkansas. He applied for a U.S. veteran's pension in 1890. According to the pension index, he died at Harmony, Arkansas, on May 9, 1918, after which his widow, Mrs. Margaret E. Campbell, applied for a pension.
The 4th Arkansas Cavalry, U.S. Volunteers, didn't begin organizing until the winter of 1863. There was a James A. Campbell in this regiment, along with Jarrett M. Campbell and Montgomery O. Campbell. These were Clark County men, two born in Alabama and one in Arkansas.
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