Brennen is a distinctive girls' name in United States, ranking #11559 in 1999 with 7 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #7445. Since 1996, the popularity has increased by 40.0%. In 1999, approximately 1 in every 253,397 girls born was named Brennen. STABLE Recent data shows the name is currently stable.