Marine S.G. Duncan was son of Samuel and Lucy Duncan, of Soarn Cottage Stewartstown, Co. Tyrone. HMS Repulse together with HMS Prince of Wales had left Singapore shortly after the outbreak of war with Japan on 8th December 1941 in an attempt to intercept a Japanese invasion convoy going towards Malaya. Marine Duncan was on board HMS Repulse and survived her sinking by Japanese war planes dropping torpedo’s on 10th December 1941. Although he was rescued, Marine Duncan was subsequently taken prisoner and died as a prisoner of war at Konue Camp
The town of Kanchanaburi is 129 kilometres North-West of Bangkok and is best reached by road, along the National Highway which runs north from the capital. There are bus and train services from Bangkok. Kanchanaburi War Cemetery is situated adjacent to Saeng Chuto Road which is the main road through the town. When approaching from Bangkok, the cemetery is on the left side of the road, towards the far (northern) end of the town. A Commission signpost faces the cemetery on the opposite side of the road.