Candy Barr, Stripper, model and dancer; Juanita Dale Slusher (Edna, Texas 6 July 1935 30 December 2005); Probably the first porn star.
Leonard Barr, Actor and comedian; Leonard Barri (West Virginia 27 September 1903 - 22 November 1980).
Alice Barrett, Actor; Alice Mitchell also credited as Alice Barrett-Mitchell (New York, New York 19 December 1956).
Rona Barrett, Gossip columnist, Rona Burstein (USA).
Syd Barrett, Singer songwriter (Pink Floyd); Roger Keith Barrett (Cambridge, England 1946).
Elizabeth Barrett-Browning, Poet; née Elizabeth Barrett Moulton-Barrett (Durham, England 6 March 1806 - 29 June 1861). Eloped with Robert Browning, Poet.
Rubens Barrichello, Motor racing driver; Rubinho Barrichello (Sao Paulo, Brazil 23 May 1972).
Amanda Barrie, Actor; Shirley Anne Broadbent (Ashton-under-Lyne, Lancashire, 14 September 1935).
Barbara Barrie, Actor; Barbara Berman (Chicago, Illinois 23 May 1931).
J.M.Barrie, Writer; James Matthew Barrie (1860 - 1937).
Wendy Barrie, Actor; Marguerite Wendy Jenkins (Hong Kong 18 April 1912 - 2 February 1978).
Bessie Barriscale, Vaudeville/silent Actor, Elizabeth Barry Scale, (USA, 1884-1965).
Don Barry, Actor; Donald Barry De Acosta (Houston, Texas 11 January 1911 - 17 July 1980).
Gene Barry, Television actor, Eugene Klass (USA, 1921).
Jack Barry, Game Show Host, Television Producer; Jack Barasch (Lindenhurst, New York 20 March 1918 - 2 May 1984).
John Barry, Musician and composer (4 academy awards), John Barry Prendergast, (England, 1933).
Len Barry, Singer; Leonard Borisoff (Philadelphia 12 June 1942). Some sources offer 6 December 1942.
Diana Barrymore, Actor, writer; Diana Blanche Blythe ( 3 March 1921 - 25 January 1960).
Drew Barrymore, Actor; Drew Blythe Barrymore (Los Angeles, California 22 February 1975).
Ethel Barrymore, Stage and Actor; Ethel Mae Blythe (Philadelphia, Pennsylvania 15 August 1879 - 18 June 1959), Sister of Lionel and John Barrymore.
John Barrymore, Actor, John Sidney Blythe (Philadelphia, Pennsylvania, 14 February 1882- 29 May 1942).
John Drew Barrymore, Actor; John Sidney Blythe Barrymore, AKA John Barrymore Jnr., (Los Angeles, California 4 June 1932 - 29 November 2004). Son of John Barrymore and Dolores Costello; Father of Drew Barrymore.
Lionel Barrymore, Stage and Actor; Lionel Herbert Blythe (Philadelphia, Pennsylvania 28 April 1878 - 15 November 1954), Brother of John and Ethel Barrymore.
Maurice Barrymore, Stage Actor; Herbert Blythe (India 1847-1905). Father of Lionel, Ethel and John Barrymore.
Michael Barrymore, Television host; Michael Keiran Parker (Bermondsey, London 4 May 1952).
Black Bart, Pirate; Bartholomew Roberts, born John Roberts (Casnewydd-Bach, Pembrokeshire, Wales 17 May 1682 - 10 February 1722).
Black Bart, California Stage Coach Robber; Charles Earl Boles (Norfolk, England 1829 last seen 28 February 1888).
Richard Barthelmess, Actor; Richard Semler Barthelmess (9 May 9 1895 - 17 August 1963).
Freddie Bartholomew, Actor; Frederick Llewellyn March (Dublin 28 March 1924 - 23 January 1992).
John Bartholomew, Cartographer; John Christopher Bartholomew (Edinburgh 15 January 1923 - 16 January 2008).
Eva Bartok, Actor, Eva Martha Szoke (Hungary, 1926-98).
Clara Barton, Humanitarian and founder of the US Red Cross; Clarissa Harlowe Barton (North Oxford, Massachusetts 25 December 1821 - 12 April 1912).
Billy Barty, Actor; William John Bertanzetti (Millsboro, Pennsylvania 25 October 1924 - 23 December 2000).
Bernard Baruch, Financier; Bernard Mannes Baruch (Camden, South Carolina 19 August 1870 - 20 June 1965).