- May 1 Felipe Boero, Argentine composer, born in Buenos Aires, Argentina (d. 1958)
- May 1 Francis Curzon, 5th Earl Howe, British politician, naval officer and auto racer (1931 Le Mans), born in Mayfair, London (d. 1964)
Harry Truman (1884-1972)
May 8 33rd US President (Democrat: 1945-53), born in Lamar, Missouri
- May 19 Arthur Meulemans, Flemish composer, conductor, and music teacher (Adriaen Brouwer), born in Aarschot, Belgium (d. 1966)
- May 21 Manuel Pérez y Curis, Uruguayan poet (d. 1920)
- May 22 Alceo Toni, Italian arranger (Vivaldi's "Four Season's" for piano four-hands), composer (Elegiac Quintet), and musicologist, born in Lugo di Romagna (d. 1969)
- May 23 Corrado Gini, Italian sociologist (d. 1965)
- May 26 Charles Winninger, American actor (Cafe Metropole, Coney Island, Charlie Farrell Show), born in Athens, Wisconsin (d. 1969)
- May 27 Max Brod, Czech-born Israeli composer, writer, and biographer of Kafka, born in Prague (d. 1968)
Edvard Beneš (1884-1948)
May 28 Czech politician, statesman, and 2nd President of Czechoslovakia (1935-38, 1945-48), born in Kožlany, Bohemia, Austria-Hungary
- May 28 Theo van Reijn, Dutch sculptor and lithographer, born in Breda, Netherlands (d. 1954)