Haydn is a distinctive girls' name in United States, ranking #7259 in 1998 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 1998, approximately 1 in every 135,915 girls born was named Haydn. FALLING Recent data shows the name is currently falling.