Born Port Glasgow son of Mr. and Mrs. James Chalmers, 19 Allison Place; Apprentice Joiner at Fergusons
Peter Gillan Chalmers
- Died: 19th August, 1916
- Rank: Private
- Service No: S/6758
- Regiment: Seaforth Highlanders
- Unit: 8th Battalion
- Cemetery: Thiepval Memorial
- Memorials: Port Glasgow War Memorial Port Glasgow OBU