I am trying to find unit history records for my grandfather, Sgt. Walter Stuart Martin, DOB 09/06/1893, Serial number 1,351,857, who served with Company H, 330 Infantry overseas from Oct. 1917 to Jan. 1919.
John,
Here is some additional information.
https://www.findagrave.com/memorial/138660756/walter-steward-martin
Hope this helps,
Elliot Schneider