William, son of Robert and Jane Wilson (née Paterson) Preston was born on 22 November 1874 at Roseworth Farm, Mount Duneed.
He attended Mount Duneed State School with his sisters. After an incident where he was unfairly treated by the headmaster, he transferred to Freshwater Creek School. After leaving school he worked on his mother's farm "Roseworth".
In 1927 he bought a new Buick car and was able to travel to Geelong much quicker than by horse and cart. He used the car until his death.
In 1904 he married Annie Lamond. After this William took over Roseworth Farm. William and Annie had a son, Charles Robert born on 30 May 1906. In 1929 he married Jessie Elizabeth Edney. He died on 16 March 1980 and was buried at Geelong Eastern Cemetery the following day. Jessie died on 6 October 1981 aged 76 and was buried with him.