- Mar 1 Harry Eden, English actor, born in Old Harlow, Essex
- Mar 2 Luke Combs, American country music singer-songwriter ("This One's for You"), born in Huntersville, North Carolina
- Mar 4 Andrea Bowen, American actress (Desperate Housewives), born in Columbus, Ohio
Draymond Green (33 years old)
Mar 4 American NBA forward (Golden State Warriors), born in Saginaw, Michigan
- Mar 7 Abigail and Brittany Hensel, American conjoined twins, born in New Germany, Minnesota
Petra Kvitová (33 years old)
Mar 8 Czech tennis player (Wimbledon 2011, 14), born in Bilovec, Czech Republic
- Mar 12 Dont'a Hightower, American NFL linebacker (New England Patriots), born in Lewisburg, Tennessee
- Mar 12 Marvin Jones, American NFL wide receiver (Detroit Lions), born in Los Angeles, California
- Mar 13 Alec Medlock, American actor, born in Torrance, California
- Mar 17 Hozier [Andrew Hozier-Byrne], Irish folk-soul-blues singer-songwriter and guitarist ("Take Me To Church"), born in Bray, County Wicklow, Ireland.
- Mar 17 Saina Nehwal, Indian Badminton player, born in Hisar, India
- Mar 19 Tanja Tzarovska, Macedonian singer (The Passion of the Christ; Troy), and songwriter, born in Resen, Yugoslavia (now North Macedonia)
- Mar 20 JJ [Jökull Júlíusson], Icelandic blues-rock singer-songwriter (Kaleo - Way Down We Go), born in Reykjavík, Iceland
- Mar 21 Mandy Capristo, German dance-pop singer (Monrose - "Shame"; solo - "The Way I Like It"), born in Mannheim, Germany
- Mar 23 Eugenie, Princess of York and daughter of Prince Andrew and Sarah Ferguson, born in London
- Mar 24 Keisha Castle-Hughes, Australian-born New Zealand actress
- Mar 26 Choi Woo-shik, South Korean-Canadian actor (Train to Busan, Parasite), born in Seoul, South Korea
- Mar 26 Xiumin [Kim Min-seok], South Korean singer and actor (Exo), born in Seoul, South Korea
- Mar 27 Kimbra [Johnson], New Zealand Grammy Award-winning pop-fusion singer, songwriter, and record producer ("Cameo Lover"; with Gotye - “Somebody That I Used to Know"), born in Hamilton, New Zealand
- Mar 27 Scott Selwood, Australian rules footballer, born in Bendigo, Australia
- Mar 28 Laura Harrier, American model and actress (Spider-Man: Homecoming), born in Chicago, Illinois
- Mar 28 Zoe Sugg [Zoella], British YouTube vlogger, born in Lacock, Wilshire
- Mar 29 Teemu Pukki, Finnish footballer (Norwich City), born in Kotka, Finland
- Mar 30 Cassie Scerbo, American actress (Sharknado), born in Long Island, New York
- Mar 30 Thomas Rhett, American singer-songwriter, born in Valdosta, Tennessee
- Mar 31 Lyra McKee, Northern Irish journalist, killed by the New IRA in a terrorist attack, born in Belfast, Northern Ireland (d. 2019)
About March 1990
How Old? 32 or 33 years old
Generation: Millennial
Leap Year: No