- Mar 5 Justin Fields, American NFL football quarterback (Chicago Bears), born in Kennesaw, Georgia
Janja Garnbret (25 years old)
Mar 12 Slovenian competitive climber, born in Slovenj Gradec, Slovenia
- Mar 14 Marvin Bagley III, American NBA player (Detroit Pistons), born in Temple, Arizona
About March 1999
How Old? 25 years old
Generation: Generation Z
Leap Year: No