Haydn is a distinctive girls' name in United States, ranking #5508 in 1999 with 19 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has increased by 18.8%. In 1999, approximately 1 in every 93,357 girls born was named Haydn. FALLING Recent data shows the name is currently falling.