Daniel Day-Lewis the second child of poet Cecil Day-Lewis (1904–1972) and his second wife, actress Jill Balcon (1925–2009). His older sister, Tamasin Day-Lewis (born 1953), is a television chef and food critic. His father, who was born in the Irish town of Ballintubbert, County Laois, was of Protestant Anglo-Irish descent, lived in England from the age of two, and was appointed Poet Laureate of the United Kingdom. Daniel's mother was Jewish; her ancestors were immigrants to England in the late 19th century, from Latvia and Poland. Day-Lewis' maternal grandfather, Sir Michael Balcon, became the head of Ealing Studios, helping develop the new
Cecil Day-Lewis the contributors believe that "the Promethean fire of enlightenment, which should be given for the benefit of mankind at large, is being used at present to stoke up the furnaces of private profit". The contributors were: Rex Warner, Edward Upward, Arthur Calder-Marshall, Barbara Nixon, Anthony Blunt, Alan Bush, Charles Madge, Alistair Brown, J. D. Bernal, T. A. Jackson and Edgell Rickword. After the late 1930s, which were marked by the widespread purges, repression, and executions under Josef Stalin in the Soviet Union, Day-Lewis gradually became disillusioned with communism. In his autobiography, "The Buried Day" (1960), he renounces former communist views.