Brendan is a moderately popular boys' name in United States, ranking #387 in 2015 with 825 recorded births. The name reached its all-time peak in 1999 with 3,994 births ranking #96. Since 1996, the popularity has decreased by 70.7%. In 2015, approximately 1 in every 2,323 boys born was named Brendan. FALLING Recent data shows the name is currently falling.