George Tiller was born at Bedminster, Somerset on 2 April 1885, the son of William Henry, and Sarah Anne Tiller. He joined the Royal Navy as a Boy First Class on 19 June 1902, By the time of the 1911 Census on 2 April 1911 he was a Leading Seaman serving in the cruiser HMS CUMBERLAND and by February 1913 he had been advanced to Petty Officer Gunner’s Mate and was serving in HMS DEFIANCE (the Torpedo and Mining School Ship) when he was promoted to Warrant Rank as Acting Gunner on 6 February 1914.  He was appointed to the cruiser HMS ECLIPSE in August 1914 and then the cruiser HMS ADVENTURE on 25 June 1915.

A volunteer for service in submarines, he was appointed to HMS DOLPHIN for submarine training on 9 December 1916 and then to HMS C34 as Third Hand on 1 March 1917. C34 was lost with all hands after being torpedoed by the U-Boat U-52 off Fair Isle on 17 July 1917.

George Tiller was the husband of Katherine Tiller of Holton, Devon, and he is commemorated on the Plymouth Naval Memorial on Panel No 20.