Haydn is a distinctive girls' name in United States, ranking #5606 in 2009 with 25 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has increased by 56.3%. In 2009, approximately 1 in every 73,475 girls born was named Haydn. FALLING Recent data shows the name is currently falling.