Nathaniel William Vincent Barnett, known as Vincent, was born at Franklin, Tasmania, on 27 Sep 1867. He was the only child of Nathaniel Benjamin Barnett (1838-1868) and Lydia Thompson who married on 31 Aug 1866. Vincent was only 11 months old when his father died. On 27 Sep 1900 he was married to Alice Gleave Birchall, the fourth daughter of A W Birchall, by the Rev. William Law at the residence of the bride's mother, 'Moss Side', High Street, Launceston. They had four children, Mollie Mavis, Kathleen Clare, Sheila May and Basil Vincent, all born in Launceston, between 1901 and 1908.
Vincent was first appointed as a clerk in the Electric Telegraph Office in Launceston on 1 May 1891, where he spent three and a half years. In 1894 he left to take part in the Coolgardie gold rush. On his return to Launceston in 1896 he joined the Sheriff's Department as a clerk. He occupied this position for 10 years. During that time he was appointed superintendent of the Invalid Depot and secretary of the Launceston Benevolent Society, a position which he held for four years. He became the deputy sheriff and registrar of the Supreme Court in Launceston. Shortly before his retirement in 1937 he was appointed district registrar of the Supreme Court. He also held several other positions in the Law Department and was president of the Australian Natives' Association. N V Barnett was in the service of the Law Department for nearly 40 years and was held in high regard by the legal profession.
Vincent died aged 72 at 'Parkside', St Helens, Tasmania, on 15 Dec 1939. He was buried in the St Helens General Cemetery.