1916 Oct 17. enlisted/mobilised (date from regimental number)
1919 Jan Re-numbered as 344385 Driver James Cairns, 59th Field Company, Royal Engineers (date from regimental number) may have re-enlisted
The Royal Engineers had a numbering change sometime in early 1918.
59th Field Company, 5th Division, Curragh
1920 Aug 28. missing at Claremorris
1924 Mar 11. medals returned