Start My Family Tree Welcome to Geni, home of the world's largest family tree.
Join Geni to explore your genealogy and family history in the World's Largest Family Tree.

The Union Armies (USA) of the US Civil War

« Back to Projects Dashboard

view all


  • Irving Fiste (1836 - 1896)
    1860 Census Name: Irving Fiste Age in 1860: 25 Birth Year: abt 1835 Birthplace: Ohio Home in 1860: Fairfield, Greene, Ohio Gender: Male Post Office: Fairfield Value of real est...
  • John Heald Melvin (1841 - 1863)
    One of four brothers who fought in the Civil War. Three of the four brothers fell, including John Heald Melvin, age 22.
  • Sidney Stowe (1824 - 1862)
    Sidney Stow, son of Elisha Stow and Hannah Northrop, was born in Milford, Connecticut on June 30, 1824; d. Nov. 10, 1862; m. ALVIRA LAWRENCE; had three children. He was a shoemaker. Children were: Ge...
  • George N. Stow (1819 - 1864)
    George Stow, son of Elisha Stow and Hannah Northrop, was born May 3, 1819 in Milford, Connecticut; d. South, in the late war. Died in the Civil War. Private B N J ART George N Stow . Birth: May 3, ...
  • William P. Mints (1845 - 1865)
    William P. Mints from Hancock County, a member of the 19th regiment during the Civil War was mustered in on Jan. 13, 1864 and died at Louisville June 16, 1865. ---- Another William P. Mintz/Mints...

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army.[1] It consisted of the small United States Army (the regular army), augmented by massive numbers of units supplied by the Northern states, composed of volunteers as well as conscripts.

Major organizations

The Union Army was composed of numerous organizations, which were generally organized geographically.


   An organization that covered a defined region, including responsibilities for the Federal installations therein and for the field armies within their borders. Those named for states usually referred to Southern states that had been occupied. It was more common to name departments for rivers or regions.

District: A subdivision of a Department . There were also Subdistricts for smaller regions.

Military Division

   A collection of Departments reporting to one commander . Military Divisions were similar to the regions described by the more modern term, Theater.


   The fighting force that was usually, but not always, assigned to a District or Department but could operate over wider areas.


(such as Department of the Tennessee, Department of the Cumberland) (Department of the Pacific, Department of New England, Department of the East, Department of the West, Middle Department)

District== (e.g., District of Cairo, District of East Tennessee)


(e.g., Military Division of the Mississippi, Military Division of the Gulf)



Regular Army