Brendan is a moderately popular boys' name in United States, ranking #107 in 1997 with 3,621 recorded births. The name reached its all-time peak in 1999 with 3,994 births ranking #96. Since 1996, the popularity has increased by 28.8%. In 1997, approximately 1 in every 521 boys born was named Brendan. FALLING Recent data shows the name is currently falling.