Regiments. Service men in Union County, Arkansas Genealogy served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Union County, Arkansas Genealogy:

- 1st Regiment, Arkansas Infantry (Confederate), Company A
- 1st Regiment, Arkansas Infantry (Colquitt's) (Confederate)
- 3rd Consolidated Regiment, Arkansas Infantry (Confederate)
- 3rd Regiment, Arkansas Infantry (Confederate)[4]
- 6th Regiment, Arkansas Infantry (Confederate)
- 8th Regiment, Arkansas Infantry (Confederate)
- 19th Regiment, Arkansas Infantry (Dockery's) (Confederate)

https://familysearch.org/learn/wiki/en/Union_County,_Arkansas_Genealogy#Civil_War