Haydn is a distinctive girls' name in United States, ranking #6640 in 2005 with 18 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has increased by 12.5%. In 2005, approximately 1 in every 102,650 girls born was named Haydn. FALLING Recent data shows the name is currently falling.