Jonathan Charles Billing Pockerage Seaver (born 7 June 1855, date of death unknown) was an Irish-born Australian politician, engineer and surveyor. He was born at Kingstown near Dublin, the eldest son of Thomas Seaver and arrived in Victoria around 1857. At sixteen he became a tutor and after an abortive attempt at a church career worked as an engineer and surveyor. He traveled widely, spending some time in Adelaide, where he married Mary Robinson née Abbbott on 22 November 1880, before settling in Gloucester. In 1887 he was elected to the New South Wales Legislative Assembly as the Free Trade member for Gloucester and retained the seat in 1889. In May 1891 four free traders, Seaver, George Reid, Jack Want and John Haynes, voted against the fifth Parkes Ministry in a motion of no confidenc