Brien is a distinctive boys' name in United States, ranking #7190 in 2018 with 11 recorded births. This places Brien in the bottom 49% 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 2018, approximately 1 in every 165,043 boys born was named Brien. RISING Recent data shows the name is currently rising.