Malcolm Matheson (1869-1918) was a son of John Matheson and Barbara Macleod, 13 Gravir.

In Lochs, in 1897, he married Catherine Macleod, 6 Calbost. Malcolm and Catherine settled at 13 Gravir and they had eight children.

On November 18, 1915 he enrolled in the Royal Naval Reserve Service Number SD3336. His record indicates that he was 5 ft 10½ tall with blue eyes and a pale complexion. Malcolm was immediately Mobilised and served in the Royal Navy during the First World War. Based at HMS Pembroke and aboard  HMS Actaeon and HMT Boy Arthur. Malcolm died of pneumonia in hospital in Gillingham, Kent and  was buried in Gravir Cemetery. His name is commemorated in Loyal Lewis Roll of Honour and on Pairc War Memorial and Lewis War Memorial in Stornoway.