Please check Ira S. Taylor Co. I 1st Mississippi Light Artillery. Also check for "JS" "IS" "SJ" "SI" Taylor. Many time first name was incorrect because his friends called him Ira. Also "J" and "I" are inner changeable in many transcriptions. Sorry to make more work for you, but had to.

Ron Skellie
"Lest We Forget-The Immortal Seventh Mississippi"