This will be difficult to prove since Mississippi didn't start to record births until 1912.
I don't know how his newspaper birth announcement would have appeared. The Sharkey-Issaquena County Library, www.facebook.com
might have that newspaper.
The MS Dept. Archives and History, www.mdah.ms.gov/new/
also has digitized newspapers.
Were the parents names on Ike's marriage license? Successful Searching!