Maine Civil War Union Artillery Units

Light Artillery

 * 1st Battalion, Maine Light Artillery
 * Muster In: December 18, 1861 at Portland, Maine
 * Muster Out: July 15, 1865 at Portland, Maine

Heavy Artillery

 * 1st Regiment, Maine Heavy Artillery
 * Organized at Bangor as 18th Infantry. Mustered in August 21, 1862
 * Mustered out September 11 and ordered to Bangor, Maine. Discharged September 20, 1865