Hadlea is a distinctive girls' name in United States, ranking #11523 in 2011 with 9 recorded births. This places Hadlea in the bottom 41% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 15 births ranking #7756. In 2011, approximately 1 in every 195,423 girls born was named Hadlea. FALLING Recent data shows the name is currently falling.