Events in Sport
- May 1 Philadelphia Athletics pitcher John Lush no-hits the Brooklyn Superbas, 6-0
- May 2 32nd Kentucky Derby: Roscoe Troxler aboard Sir Huon wins in 2:08.8
- May 8 Philadelphia A's pitcher Chief Benders plays outfield & hits 2 HRs
- May 14 Flagpole at the White Sox ballpark breaks during pennant-raising
- May 15 NY Giants' Hooks Wiltse strikes out 4 batters in 1 inning
- May 22 31st Preakness: Walter Miller aboard Whimsical wins in 1:45
- May 25 After 20 straight wins, Boston Pilgrims lose to Chicago White Sox 3-0
- May 30 40th Belmont: Lucien Lyne aboard Burgomaster wins in 2:20
Birthdays in Sport
- May 2 Aileen Riggin, American diver (Olympic gold 3m springboard 1920, 24), born in Newport, Rhode Island (d. 2002)
- May 16 Ernie McCormick, cricketer (Australian quickie of late 30's)
- May 17 Zinka Milanov, Croatian soprano (Ljublama Opera 1927, NY Metropolitan Opera), born in Zagreb, Croatia (d. 1989)
- May 19 Bruce Bennett, American athlete and actor (Before I Hang, Sahara), born in Tacoma, Washington (d. 2007)
- May 21 Keith Rigg, cricketer (Australian Test batsman in the thirties)
- May 26 Mauri Rose, American auto racer (Indianapolis 500 1941, 47-48), born in Columbus, Ohio (d. 1981)