| Honorific Prefix: | Lieutenant-Colonel |
| Percy Thuillier Westmorland | |
| Honorific Suffix: | CMG DSO |
| Birth Date: | 25 July 1863 |
| Death Date: | 4 June 1929 |
| Birth Place: | Kensington, London, England |
| Death Place: | London, England |
| Allegiance: |  United Kingdom |
| Awards: | CMG DSO Mentioned in despatches x3 |
Lieutenant-Colonel Percy Thuillier Westmorland (25 July 1863 – 4 June 1929) commanded the 10th Battalion, London Regiment, and the 151st (Durham Light Infantry) Brigade during World War I.[1] [2] For his dedication to service during his army career he was three times mentioned in despatches and made CMG and DSO.[1]
After the war, Westmorland retired from the army and went into business with Sir Henry Lunn, one of the founders of Lunn Poly, and became a director of the Palace Hotel and Grand Hôtel des Alpes, Mürren, and the Palace Hotel, Montana.[1]
Westmorland's maternal grandfather was Sir Henry Thuillier who served as Surveyor General of India.[1] His brother in law was Brigadier-General Clifton Inglis Stockwell, the British officer who initiated the 1914 Christmas truce football match at Frelinghien with Baron Maximilian von Sinner.[3] [4]
Percy Thuillier Westmorland was born in Kensington on 25 July 1863, the son of Colonel Isaac Peat Westmorland and Rose Julia Westmorland (née Thuillier).[1] Westmorland's mother was the eldest daughter of Sir Henry Thuillier who was Surveyor General of India and responsible for introducing the first national postage stamp to India.[1] [5] His first cousin was Brigadier-General Charles Henry Westmorland CB.
Westmorland was educated at Wellington College and the Royal Military College, Sandhurst.[1] In 1882 he was commissioned into the Bedfordshire Regiment transferring to the West India Regiment in 1892.[1] Westmorland saw service in the Gambia Expedition against Fodey Silah in 1894, where he was mentioned in despatches, and in the Ashanti Expedition of 1895–96.[1]
In the Second Boer War, Westmorland served as staff officer at Glencoe and was afterwards in command at St Helena.[1] In 1901 he served in a further expedition in Gambia before joining the Royal Warwickshire Regiment in the Zakka Khel and Mommand Expeditions of 1908 where he was again mentioned in despatches and made a Companion of the Distinguished Service Order.[1] [6]
Westmorland retired from the army in 1912 but rejoined on the commencement of World War I.[1] He went to France in 1915 where he commanded the 10th Battalion, London Regiment, and the 151st (Durham Light Infantry) Brigade.[1] For his dedication to service he was once again mentioned in despatches and made CMG.[1]
After the war, Westmorland retired from the army and went into business with Sir Henry Lunn, one of the founders of Lunn Poly, and became a director of the Palace Hotel and Grand Hôtel des Alpes, Mürren, and the Palace Hotel, Montana.[1]
In 1902, Westmorland married Olivia Amelia Hale in Kensington.[7] He died on 4 June 1929.[7]