Brennon is a distinctive boys' name in United States, ranking #3356 in 2023 with 35 recorded births. The name reached its all-time peak in 2009 with 189 births ranking #1028. Since 1996, the popularity has decreased by 75.2%. In 2023, approximately 1 in every 48,816 boys born was named Brennon. FALLING Recent data shows the name is currently falling.