NPS CW S&SS shows:

Samuel Sixkiller
Regiment Name 1st Cherokee Mounted Volunteers.
Side Confederate
Company 1 G
Soldier's Rank_In Private
Soldier's Rank_Out Private
Film Number M818 roll 22

Also

Arch Sixkiller
Regiment Name 1st Cherokee Mounted Volunteers.
Side Confederate
Company 1 I
Soldier's Rank_In Corporal
Soldier's Rank_Out Corporal
Film Number M818 roll 22

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Samuel Sixkiller
Regiment Name 3rd Indian Home Guards, Kans. Inf.
Side Union
Company L
Soldier's Rank_In Prv.
Soldier's Rank_Out Corpl.
Film Number M1290 roll 31

Also

Sixkiller, Abraham
Co. L Prv. Prv.

Sixkiller, Jacob
Co. L Prv. Prv.

Sixkiller, John
Co. G Prv. Prv.

Sixkiller, Kunnic
Co. K Sgt. Prv.

Sixkiller, Moses
Co. H Prv. Corpl.

Sixkiller, Soldier
Co. L Corporal Corporal

Sixkiller, Tyler
Co. L Corpl. Prv.

Sixkiller,
Co. G Prv. Prv.

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John Sixkiller
Regiment Name 79th U.S.C.T.
Side Union
Company
Soldier's Rank_In Prv
Soldier's Rank_Out Prv
Alternate Name
Notes
Film Number M589 roll 79

African American Civil War Memorial
Displayed as: John Sixkiller
Plaque Number: C-85

79th Regiment, United States Colored Infantry (Old Organization)

Organized April 4, 1864, from 7th Corps de Afrique Infantry. Attached to 2nd Brigade, 1st Division, Corps de Afrique, Dept. of the Gulf, to June, 1864. 2nd Brigade, 2nd Division, Corps de Afrique, Dept. of the Gulf, to July, 1864.

SERVICE.-Post and garrison duty at Port Hudson, La., till April 17, 1864, and at Fort Pike and Fort Macomb, Defences of New Orleans, till July, 1864. Broken up July 28, 1864, and transferred to 75th United States Colored Troops. A new 79th United States Colored Troops ordered organized by consolidation of 80th and 83rd United States Colored Troops at New Orleans, La., July, 1864, but not completed.

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Peacheater Sixkiller
Regiment Name 2nd Indian Home Guards, Kans. Inf.
Side Union
Company D
Soldier's Rank_In Pvt.
Soldier's Rank_Out Corp.
Film Number M1290 roll 31