- Mar 5 Paul Radmilovic, Welsh swimmer (Olympic gold GB 4×200m freestyle 1908; gold GB water polo 1908, 12, 20), born in Cardiff, Wales (d. 1968)
- Mar 7 René Thomas, French auto racer (Indianapolis 500 1914), born in Périgueux, France (d. 1975)
- Mar 13 John 'Home Run' Baker, American Baseball HOF third baseman (World Series 1910, 11, 13; AL HR leader 1911–14; AL RBI leader 1912, 13; Philadelphia A's), born in Trappe, Maryland (d. 1963)
- Mar 14 Firmin Lambot, Belgian cyclist who twice won the Tour de France (1919, 1922), born in Florennes, Namur, Belgium (d. 1964)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions