The 319th Infantry Regiment was one of three IRs in the 80th Infantry Division, which departed NY P/E, 1 Jul 44; (May have crossed on the QUEEN MARY.) arrived England, 7 Jul 44; (May have arrived at Greenock, Scotland.) arrived France-ETO, across Utah Beach, 3 Aug 44; entered combat 8 Aug 44, in the Le Manns area; on line 239 days.
Campaigns: Northern France, 25 July 44 / 11 May 45 Rhineland, 15 Sep 44 / 11 May 45
(NOTE: The division was also engaged at Ardennes, Normandy and Central Europe, but all were outside the period he would have been available for duty.)
Casualties: Killed in Action, 3,030 Wounded,12,848 Died from Wounds,442. Casualty rate, just over 100%.
As for where he may have died, Stanton's "WW II Order of Battle" states:
"The division fought for Bois de la Rumont, 20-24 Sep 44."
It was next engaged as it approached the Seille River, 2 Oct 44.
That is about all I can muster for you.
I hope it helps you with the reconstruction of his military experience.