Please click on this link and you will see a battle summary for Irish Bend...
http://americancivilwar.com/statepic/la/la007.html
The map below will show you where Irish Bend was fought...
If he died in May it is possible that he was wounded at Irish Bend and taken to New Orleans where he expired. You can order his service records through our Military Records Research Service. If you wish to do this just clik on the banner at the top of this page.