- May 4 (Sigmund) "Jackie" Jackson, American pop singer and songwriter (Jackson 5 - "ABC"; "I Want You Back"), born in Gary, Indiana
- May 7 Robert Hegyes, American actor (Underground Aces; Welcome Back, Kotter - "Juan Epstein"), born in Perth Amboy, New Jersey (d. 2012)
- May 8 Deborah Harmon, American actress (Ted Knight Show; M*A*S*H; Just the 10 of Us), born in Chicago, Illinois
- May 9 Alley Mills, actress (Norma Arnold-Wonder Years), born in Chicago, Illinois
- May 13 Selina Scott, English TV newscaster (West 57th), born in Scarborough, England
- May 14 Season Hubley [Susan], American actress (Vice Squad, Hardcore), born in New York City
- May 18 Denny Dillon, American comedian (SNL, Dream On), born in Cleveland, Ohio
- May 18 James Stephens, American actor (Paper Chase, Devil's Island), born in Mount Kisco, New York
- May 20 William Cullen Bryant, actor (Hell Squad)
- May 21 Al Franken, US politician (Senate-D-Minnesota 2009-18) comedian, writer, actor (SNL, 1975-80; 1985-90), born in New York City
- May 21 Leon Schuster, South African comedian, singer, and filmmaker (You Must Be Joking)., born in Vereeniging, South Africa
- May 23 Don Warrington [Donald Williams], Trinidadian-born British actor (Rising Damp), born in Trinidad
- May 25 Bob Gale, American screenwriter (Back to the Future), born in University City, Missouri
- May 30 Stephen Tobolowsky, Tx, actor (Single White Female, Thelma & Louise)
About May 1951
How Old? 73 years old
Generation: Baby Boomer
Leap Year: No
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