Haydn is a distinctive girls' name in United States, ranking #7904 in 2001 with 13 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has decreased by 18.8%. In 2001, approximately 1 in every 138,505 girls born was named Haydn. FALLING Recent data shows the name is currently falling.