- Mar 1 Harry Golombek, British chess grandmaster and author (3-time British champion), born in London, England (d. 1995)
- Mar 2 William Hansen, American actor (1776, Pinky, Side Street, Homebodies), born in Washington, District of Columbia (d. 1975)
- Mar 3 Francesco Siciliani, Italian opera impresario (La Scala; San Carlo; Le Fenice), and composer (Fragments From the Canticle of Canticles), born in Perugia, Italy (d. 1996)
- Mar 3 Hugues Lapointe, Canadian politician and Lieutenant governor of Quebec (d. 1982)
Jean Harlow (1911-1937)
Mar 3 American actress and 1930s' sex goddess (Dinner at 8; Bombshell), born in Kansas City, Missouri
- Mar 6 Charles Frank, British theoretical physicist (work on crystal dislocations), born in Durban, South Africa (d. 1998)
- Mar 6 Roland Leich, American composer, chiefly of art songs, vocal, and choral music, and educator (Carnegie Institute, 1946-76), born in Evansville, Illinois (d. 1995)
- Mar 7 Louis Cottrell Jr., Creole-American jazz clarinetist and tenor saxophonist (Heritage Hall Jazz Band), born in New Orleans, Louisiana (d. 1978)
- Mar 7 Stefan Kisielewski, Polish composer, writer and politician, born in Warsaw (d. 1991)
- Mar 8 Alan Hovhaness, Armenian-American composer (Lousadzak, Ukiyo), born in Somerville, Massachusetts (d. 2000)
- Mar 8 Elsie Giorgi, American-Italian physician and humanitarian, born in The Bronx, New York (d. 1998)
- Mar 9 Ramon Campbell Batista, Chilean physician, composer, and ethno-musicologist (traditional music of the Rapanui people), born in Quilpué, Chile (d. 2000)
- Mar 10 Warner Anderson, American actor (The Bubble, Destination Moon, Peyton Place), born in Brooklyn, New York (d. 1976)
- Mar 11 Alan Gifford [John Lennox], American actor (Time Lock, 2001: A Space Odyssey), born in Boston, Massachusetts (d. 1989)
- Mar 11 Fitzroy Maclean, 1st Baronet, Scottish adventurer, soldier, writer and politician who was an inspiration for Ian Flemings James Bond, born in Cairo, Khedivate of Egypt, Ottoman Empire (d. 1996)
- Mar 12 Gustavo Diaz Ordaz, Mexican politician (President of Mexico 1964-70), born in San Andrés Chalchicomula, Mexico (d. 1979)
- Mar 13 José Ardévol, Spanish-Cuban composer, born in Barcelona, Spain (d. 1981)
- Mar 13 L. Ron Hubbard, American sci-fi writer (Death Quest) and founder of the Scientology cult, born in Tilden, Nebraska (d. 1986)
- Mar 14 Joe Mooney, American jazz and pop accordionist, organist, and vocalist, born in Paterson, New Jersey (d. 1975)
- Mar 16 Dr. Josef Mengele, German, accused Nazi war criminal (d. 1979)
- Mar 16 Pierre Harmel, Belgian politician and Prime Minister of Belgium (1965-66), born in Uccle, Belgium (d. 2009)
- Mar 17 Raffaele d'Alessandro, Swiss pianist, organist, and composer, born in St. Gallen, Switzerland (d. 1959)
- Mar 18 (Lester) "Smiley" Burnette [Burnett], American country music performer, singer-songwriter ("Ridin' Down the Canyon (To Watch the Sun Go Down)"), and actor (Petticoat Junction - "Charlie"), born in Summum, Illinois (d. 1967)
- Mar 19 Kenneth Robinson, British politician (influential Minister of Health under Harold Wilson, reformed Health Service), born in Warrington, England (d. 1996)
- Mar 20 Alfonso García Robles, Mexican diplomat and Nobel laureate (d. 1991)
- Mar 20 Mieke Verstraete [Maria Augustina De Graef], Belgian-Dutch actress (Pleasantly Settled), born in Antwerp, Belgium (d. 1990)
- Mar 21 Gus Risman, Welsh rugby league centre, fullback (18 Tests Wales, 17 Great Britain, 1 England; Salford RLFC, Workington Town RLFC) and coach (Bradford Northern, Salford, Workington Town), born in Cardiff, Wales (d. 1994)
- Mar 21 John Paxton, American screenwriter and producer (On The Beach, Kotch, Farewell My Lovely), born in Kansas City, Missouri (d. 1985)
- Mar 23 Charles Russhon, American airforce officer (liaison for James Bond films) (d. 1982)
- Mar 23 Dick Chapman, American golfer (1940 US amateur, 1951 British amateur), born in Greenwich, Connecticut (d. 1978)
- Mar 24 Herman W. "Fritz" Liebert, American rare books scholar and librarian (Yale University), born in New York City (d. 1994)
- Mar 24 Jane Beverly Drew, English modernist architect, born in Croydon (d. 1996)
Joseph Barbera (1911-2006)
Mar 24 American animator and cartoonist (Hanna-Barbera - Tom and Jerry, Flintstones), born in Manhattan, New York
Jack Ruby (1911-1967)
Mar 25 American nightclub owner who murdered assassin Lee Harvey Oswald, born in Chicago, Illinois
- Mar 25 Willy Anthoons, Belgium avant-garde sculptor (Mystic verheffing), born in Malines, Belgium (d. 1982)
- Mar 26 Bernard Katz, German-born Australian biophysicist (Nobel Prize in Physiology or Medicine 1970), born in Leipzig, German Empire (d. 2003)
- Mar 26 T. Hee, American animator (Dance of the Hours - Fantasia), born in Oklahoma (d. 1988)
Tennessee Williams (1911-1983)
Mar 26 American playwright (A Streetcar Named Desire, Cat on a Hot Tin Roof), born in Columbus, Mississippi
- Mar 28 J. L. Austin, British philosopher of language, born in Lancaster (d. 1960)
- Mar 28 Myfanwy Piper, British librettist and art critic, born in London (d. 1997)
- Mar 29 Brigitte Horney, German actress (Das Erbe der Guldenburgs), born in Dahlem, Germany (d. 1988)
- Mar 30 Dennis Gomm, British composer and pianist, born in England (d. 1995)
- Mar 31 Elisabeth Grümmer, German soprano (d. 1986)
About March 1911
How Old? 111 or 112 years old
Generation: Greatest Generation
Leap Year: No