Haydn is a distinctive girls' name in United States, ranking #10399 in 2015 with 10 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #4486. Since 1996, the popularity has decreased by 37.5%. In 2015, approximately 1 in every 178,465 girls born was named Haydn. FALLING Recent data shows the name is currently falling.