Educated at the Mudgee Church of England school, A.G. Taylor went on to to teach in Mudgee. He may have worked for the Mudgee Independent before joining the New South Wales Permanent Artillery as a private. Court-martialled for 'insubordination' in June 1878, he was committed to Darlinghurst Gaol and was released on 4 December. He rejoined the Mudgee Independent where his writing on politics attracted attention.
Taylor was elected to the Legislative Assembly as senior member for Mudgee in 1882. He became well-known for his many ways of obstructing parliament. Although returned for Mudgee in February 1887, Taylor resigned on 21 April and the following month accepted Sir Henry Parkes's offer to become examiner of patents with a salary of £500. That year he published the Law and Practice of New South Wales Letters Patent for Inventions and Improvements in the Arts and Manufactures.
In 1890-91 Taylor had become first editor of the newspaper Truth and in May-June 1892 conducted the Spectator; from the end of 1893 to June 1896 he was again editor of Truth and nominal proprietor from 1894. In 1897 he worked for the Cumberland Free Press, then wrote as a freelance journalist. In 1898 he was admitted to the Hospital for the Insane, Callan Park, where he died.