Thomas enlisted at Warwick Qld in April 1916. He was a thirty seven year old Farmer near Yetman NSW where he and his wife Elizabeth lived.
Thomas joined the 4th Pioneer Battalion, Reinforcement 5 and left Australia on HMAT A49 Seang Choon in September 1916. He arrived in England at the beginning of December and two months later was sent to France. He became unwell in June 1918 and was sent back to England before returning to Australia and being discharged in November 1918.
No further information is known about Thomas.