There is only 9 John Nanni's listed in find a grave, posted image was of the only military marker of the 9, additionally the 363 inf reg served on the Italianfront - there was a john Nanni 1889-1975 from illinois ( to Old) will never know for sure
the division, now under Major General William G. Livesay, departed for the European Continent on 3 April 1944. There, on the Italian Front, the 361st Regimental Combat Team was detached to participate in the battles for Rome and the Arno River. It became the first formation of the U.S. Fifth Army to reach the river. In September 1944, the division crossed the Sieve River, outflanked the famous Gothic Line, and captured the Futa Pass. For its part in combat, the division was awarded the North Apennines, Po Valley and Rome-Arno campaign streamers.
The division returned to the United Stateswhere it was inactivated at Camp Rucker, Alabama, in December 1945.[1][6] Two members were awarded the Medal of Honor during the war, Roy W. Harmon and Oscar G. Johnson