My question is in regards to this Nathaniel A Cole. Ultimately, I would like to know the items listed under UNKNOWN below. I am searching for a missing Nathaniel Cole in my family and am trying to either eliminate this Nathaniel as a possibility or discover that it might be him and pursue further research. Any assistance anyone can lend is much appreciated.

KNOWN
Nathaniel A Cole
Captain
Union
29th Missouri Volunteer Infantry
Company H
He was listed as unmarried in records in Sept 1863 in Shoal, Clinton, MO
I know he was honorably discharged at Young's Point, LA on March 21st, 1863 due to illness.
He was reported as 25 yrs old in 1863

UNKNOWN
Date/place of Birth:
Date/place of Death
Where he lived in 1860 and/or before
Where he lived after 1863