He was the son of David and Ann Learmonth, of Berwickshire.
Morpeth Herald 02/02/1917 carries a brief obituary:
ROLL OF HONOUR
LEARMOUTH. [sic] - Died in France from pneumonia, Private Thomas Learmouth [sic], Seaforth Highlanders, the dearly beloved husband of Lucy Learmouth [sic], Ulgham.
All Army records and Census Records record him as Thomas Learmonth.
He is remembered at Ulgham as T. Learmouth on U1.01