Grantham Grantham Grantham ( ) is a town in the South Kesteven district of Lincolnshire, England. It straddles the London–Edinburgh East Coast Main Line and the River Witham and is bounded to the west by the A1 north–south trunk road. Grantham lies about south of the county town, the City of Lincoln and about east of Nottingham. The population in 2016 was put at 44,580 Grantham was the birthplace of the UK Prime Minister Margaret Thatcher. Isaac Newton was educated at its King's School, while Thomas Paine worked there as an excise officer in the 1790s. Grantham-born Edith Smith became the
Lincolnshire Day Newton – scientist, Alfred Lord Tennyson - Poet Laureate, Baroness Thatcher – Prime Minister, Matthew Flinders – explorer, Joseph Banks – explorer and botanist, George Boole – mathematician, Tony Jacklin CBE – golfer, Dame Joan Plowright – actress and Jim Broadbent – actor. Lincolnshire Day is supported by county businesses and organisations including BBC Lincolnshire, Lincolnshire Co-operative, The Lincolnite, Lincolnshire Business, the Lincolnshire Echo, Lincolnshire Tourism, Lincoln Cathedral, Lincolnshire Life, Lincoln BIG, Tastes of Lincolnshire, Lincolnshire County Council, Shooting Star PR, POP Design and the Lincolnshire Sports Partnership. Lincolnshire Day Lincolnshire Day is celebrated every year on 1 October and