Brendan is a moderately popular boys' name in United States, ranking #176 in 2005 with 2,360 recorded births. The name reached its all-time peak in 1999 with 3,994 births ranking #96. Since 1996, the popularity has decreased by 16.1%. In 2005, approximately 1 in every 846 boys born was named Brendan. FALLING Recent data shows the name is currently falling.