US Popularity Rank: None

Origin: Romanian

Meaning: Happy, glad

Radu is a boy’s name, derived from the Romanian rad, meaning “happy” and “glad.” The name’s popularity soared after Radu Negru—also known as The Black Prince—founded the historical Romanian state of Wallachia. Since then, many Wallachian and some Moldavian rulers have taken this name, including Radu III or Radu the Handsome. Your little one will enjoy the rich legacy that comes with Radu. For a happy baby such as yours, this name is ideal.