Brien is a distinctive boys' name in United States, ranking #7264 in 2008 with 11 recorded births. This places Brien in the top 50% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 49 births ranking #1967. Since 1996, the popularity has decreased by 75.0%. In 2008, approximately 1 in every 185,450 boys born was named Brien. RISING Recent data shows the name is currently rising.