Amadeo Giannini
May 6 Amadeo Giannini, American banker and entrepreneur (founded Bank of America), born in San Jose, California (d. 1949)
Amadeo Giannini
- May 6 John McCutcheon, cartoonist (Pulitzer Prize-1931)
- May 14 Zygmunt Denis Antoni Stojowski, composer
- May 19 Albert Fish, American serial killer (d. 1936)
- May 24 Benjamin Cardozo, American jurist (d. 1938)
- May 24 Jan Christiaan Smuts, Prime Minister of South Africa and proponent of Commonwealth & League of Nations (d. 1950)
- May 27 Lionel Palairet, British cricketer (elegant England bat in the Golden Age), born in Grange-over-Sands, Lancashire, England (d. 1933)