Brennon is a distinctive boys' name in United States, ranking #1119 in 2010 with 168 recorded births. The name reached its all-time peak in 2009 with 189 births ranking #1028. Since 1996, the popularity has increased by 19.1%. In 2010, approximately 1 in every 11,419 boys born was named Brennon. FALLING Recent data shows the name is currently falling.