See List of Ninth Division Units
First Commander: Brigadier General Meriwether Lewis Clark
Second Commander: Brigadier General Meriwether Lewis Clark
Third Commander: Major James R. Shaler
| Division Adjutant-General: | Lt. Colonel James R. Shaler |
| Division Surgeon-General: | Lt. Colonel Joseph T. Scott, M.D. |
| Assistant Division Surgeon: | Major S. R. Clark, M.D. |
| Aides-de-Camp: | Lt. Colonel Arthur T. Magenis |
| Major George Washington Goodlett | |
| Lieutenant Stephen McBride | |
| Volunteer Aides-de-Camp: | Lt. Colonel Theodore T. Taylor |
| Lt. Colonel Henry Tracy |
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Ninth Division