Haydn is a distinctive girls' name in United States, ranking #8416 in 2010 with 14 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has decreased by 12.5%. In 2010, approximately 1 in every 126,952 girls born was named Haydn. FALLING Recent data shows the name is currently falling.