Thomas Gilmore was the youngest son of James and Ellen Gilmore. Thomas was born on 29th March 1879 in Bellaghy. Thomas and his father were farmers. About 1904, Thomas emigrated to New Zealand. Before enlisting, Thomas Gilmore worked as a station manager in Little River. Thomas enlisted with the New Zealand Expeditionary Force (N.Z.E.F.) originally in Christchurch on 13th June 1917. Private Gilmore embarked with his unit from Wellington, New Zealand on 2nd October 1918, bound for London. The war ended while Private Gilmore was at sea. He was inoculated on 20th January 1919. He died of a combination of influenza and pneumonia.
Tidworth Military Cemetery, which contains burials of both wars, was directly connected with training grounds on, or near, Salisbury Plain. During the First World War, the cemetery was used for burials from Tidworth and Fargo Military Hospitals and the 417 graves, many of them of Australian or New Zealand servicemen, are scattered throughout the cemetery. There are 106 Second World War graves in the cemetery, two substantial groups of which can be found in sections F and D. The rest are scattered.