 Around 1555 Southwark St Thomas was split off from St Olave, and in 1733 Southwark St John Horsleydown was also split off.In 1855 the parishes came into the area of responsibility of the Metropolitan Board of Works.The large St George the Martyr parish was lgoverned by its own administrative vestry, nut the smaller St John Horsleydown, St Olave and St Thomas parishes were grouped together to form the St Olave District.