He was president of the Romsey and West Bourke Agricultural Society and the local branch of the Australian Natives Association.[2] In 1910, Gibson bought a subdivision of Gnarpurt, James Chester Manifold's property near Lismore in the Western District.He was Postmaster-General from 1923 to 1929, and encouraged the construction of telephone lines, the extension of roadside mail deliveries and the building of post offices in country districts.[1] Gibson was elected to the Senate on a joint ticket with the UAP, with the support of the Victorian state executive of the Country Party.This was opposed by the federal executive, which endorsed the sitting Country Party senator Robert Elliott; he lost his seat.