(13/04/1856-30/12/1934).
He was the son of Daniel and Agnes (maiden name Lockhart). Gaven married on 20/04/1881 in Bunbury to Matilda Roberts Scott (03/04/1865-). Matilda died in Perth. Their children were Alexander Wallace (1882-1972), Agnes (1884-1884), Allen Murray (1886-), Agnes (1888-1940) and Helen Margaret (1893-1959). Gaven was listed as a school teacher at Quindalup between 1872-1873. He spoke German and French. He was employed by H. C. Davies of Karridale. Clerk to Manager of Boranup Hill. Gaven farmed the family property at Cometville between 1905-1911. Then the manager of Harrinup timber mill until retirement. Member of Busselton Shire Council, Drainage Board, Agricultural Society, Hunt and Race Club. His religion was the Church of England.