Brantly is a distinctive boys' name in United States, ranking #12311 in 2025 with 5 recorded births. The name reached its all-time peak in 2013 with 103 births ranking #1540. Since 1996, the popularity has decreased by 54.5%. In 2025, approximately 1 in every 341,615 boys born was named Brantly. FALLING Recent data shows the name is currently falling.