- Mar 3 Gilbert Adrian [Greenberg], American costume designer (MGM films, The Wizard of Oz), born in Naugatuck, Connecticut (d. 1959)
- Mar 3 Rabbe Enckell, Finnish author and poet (Lutad about Brunnen), born in Tammela, Finland (d. 1974)
- Mar 4 Harold Berens, British comedian and actor, born in Glasgow, Scotland (d. 1995)
- Mar 4 John Scarne, American magician (d. 1985)
- Mar 4 William C. Boyd, American immunochemist (d. 1983)
- Mar 6 Elizabeth Becker-Pinkston, American platform diver (Olympic gold 1924 and 1928), born in Philadelphia, Pennsylvania (d. 1989)
- Mar 6 Empress Kōjun of Japan (d. 2000)
- Mar 7 Maud Lewis (née Dowley), Canadian folk artist and painter, born in South Ohio, Nova Scotia (d. 1970)
- Mar 10 (Leon Bismarck) "Bix" Beiderbecke, American jazz cornetist, considered one of the most influential jazz soloists of the 1920s, pianist, and composer (In A Mist), born in Davenport, Iowa (d. 1931)
- Mar 11 Dorothy Schiff, American owner and publisher (NY Post), born in NYC, New York (d. 1989)
- Mar 11 George Dickinson, New Zealand cricket fast bowler (3 Tests, 8 wickets; Otago, Wellington) and rugby union five-eighth (NZ 5 x tour matches; Otago RFU), born in Dunedin, New Zealand (d. 1978)
James Franklin Hyde (1903-1999)
Mar 11 American inventor who created silica, born in Solvay, New York
- Mar 11 Lawrence Welk, American accordionist and orchestra leader (Lawrence Welk Show), born in Strasburg, North Dakota (d. 1992)
- Mar 11 Ronald Syme, New Zealand classicist and historian, born in Eltham, New Zealand (d. 1989)
- Mar 14 Adolph Gottlieb American painter (d. 1974)
- Mar 14 Mustafa al-Barzani, Kurdish leader (KDP), born in Barzan, Iraqi Kurdistan (d. 1979)
- Mar 16 Mike Mansfield, American politician (Sen-D-Montana 1953-77) majority whip, born in New York City (d. 2001)
- Mar 16 Morgan Conway, American actor (Dick Tracy, Brother Orchid), born in Newark, New Jersey (d. 1981)
- Mar 16 Nikolai Lopatnikoff, Estonian-American composer (Variazioni Concertanti), born in Reval, Russian Empire (now Tallinn, Estonia) (d. 1976)
- Mar 19 Benjamin Marius Telders, Dutch lawyer who resisted German occupation in WWII, born in The Hague, Netherlands (d. 1945)
- Mar 19 Jim Bullock, English colliery manager, unionist and mine pit reformist, born in Bower's Row, England (d. 1995) [1]
- Mar 20 Edgar Buchanan, American actor (Petticoat Junction), born in Humansville, Missouri (d. 1979)
- Mar 20 Vincent Richards, American tennis player (US Pro C'ships 1927-28, 30, 33), born in Yonkers, New York (d. 1959)
- Mar 22 James Sargent Russell, US pilot and admiral (WW II Pacific Ocean), born in Tacoma, Washington (d. 1996)
- Mar 22 Jochen Klepper, German writer, born in Beuthen, Silesia (d. 1942)
- Mar 24 Adolph Butenandt, German bio-chemist (Nobel Prize for Chemistry 1939 for work on sex hormones), born in Bremerhaven-Wesermünde, Germany (d. 1995)
- Mar 24 Malcolm Muggeridge, English journalist, critic and spy (Observer of Life), born in Croydon, England (d. 1990)
- Mar 24 Patrick Ludlow, British actor (Naughty Husbands, Evergreen and Modesty Blaise), born in Kensington, London, England (d. 1996)
- Mar 25 Frankie Carle [Francesco Carlone], American pianist, known as "the Wizard of the Keyboard", big band and dance orchestra leader, and songwriter ("Sunrise Serenade"; "The Golden Touch"), born in Providence, Rhode Island (d. 2001)
- Mar 25 Gertrude "Binnie" Barnes, actress (Last of the Mohicans, 3 Musketeers), born in London, England (d. 1998)
- Mar 25 Nahum Norbert Glatzer, Jewish-American scholar (d. 1990)
- Mar 28 Charles Starrett, American actor (The Mask of Fu Manchu, Bonanza Town), born in Athol, Massachusetts (d. 1986)
- Mar 28 Rudolf Serkin, Bohemian-American concert pianist (noted for Beethoven interpretations), and pedagogue (Curtis Institute; Marlboro School of Music), born in Eger, Bohemia, Austro-Hungarian Empire (now Czech Republic) (d. 1991)
- Mar 29 Arthur Negus, English antiques expert and broadcaster (Antiques Roadshow), born in Reading (d. 1985)
- Mar 30 Joy Ridderhof, American missionary (d. 1984)
- Mar 30 Sol C Siegel, American film producer (A Letter To Three Wives, High Society, Gentlemen Prefer Blondes), born in New York City (d. 1982)
About March 1903
How Old? 120 years old
Generation: Greatest Generation
Leap Year: No