Can someone help me find out where the man below lived, his age, nativity, etc:

John Runnells
Side: Union
Regiment State/Origin: Illinois
Regiment Name: Batt'y H, 1 Illinois Light Artillery
Regiment Name Expanded: 1st Regiment, Illinois Light Artillery
Rank In: Private
Rank In Expanded: Private
Rank Out: Private
Rank Out Expanded: Private
Alternate Name: John/Reynolds
Film Number: M539 roll 78

Thank you,