Steve, The best way to find out about a prison stay is his CMSR.I checked NARA and they have records for these two Elliott's might well be the same man or a brother.Both in Co.I 46Ala.one is a private,one a Cpl..You can order records from this site(top of page) or National Archives Records Administration

No. Soldier Name Side Function Regiment Name
1
Elliott, A.J.
Confederate
Infantry
46th Regiment, Alabama Infantry

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2
Elliott, John
Confederate
Infantry
46th Regiment, Alabama Infantry

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