Brendan is a popular boys' name in United States, ranking #99 in 1998 with 3,878 recorded births. The name reached its all-time peak in 1999 with 3,994 births ranking #96. Since 1996, the popularity has increased by 37.9%. In 1998, approximately 1 in every 493 boys born was named Brendan. FALLING Recent data shows the name is currently falling.