HANWELL  , an

urban district in the Brentford parliamentary division of Middlesex, England, 102 m . W. of St Paul's cathedral, London, on the river Brent and the Great- Western railway . Pop . (1891) 6139; (1901) ro,438 . It ranks as an outer residential suburb of London . The Hanwell lunatic asylum of the county of London has been greatly extended since its erection 1831, and can accommodate over 2500 inmates . The extensive cemeteries of St Mary Abbots, Kensington, and St George, Hanover Square, London, are here . In the churchyard of St Mary's church was buried Jonas Hanway (d . 1786), traveller, philanthropist, and by repute, introducer of the umbrella into England . The Roman Catholic Convalescent Home for women and children was erected in 1865 . Before the Norman period the- manor of Hanwell belonged to Westminster Abbey .