A few pages (including wife's death certificate) mis-filed (not indexed) with another MARTIN in the WW1 Service Records (WO 363):

Alexander MARTIN, born c1886, served with the RFA, Regt No 23427. Discharged 1919.
Home address Glasgow.
Wife MARGARET died October 1918 (influenza) aged 27 years:
- Maiden name McGARRIGLE, parents Charles & Mary (nee MEARNS).

Anc****y, MAR, pages 126725-126731