Brien is a distinctive boys' name in United States, ranking #3103 in 1998 with 25 recorded births. The name reached its all-time peak in 1999 with 49 births ranking #1967. Since 1996, the popularity has decreased by 43.2%. In 1998, approximately 1 in every 76,453 boys born was named Brien. RISING Recent data shows the name is currently rising.