Heydy is a distinctive girls' name in United States, ranking #11580 in 1998 with 7 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #7513. Since 1996, the popularity has increased by 16.7%. In 1998, approximately 1 in every 252,413 girls born was named Heydy. STABLE Recent data shows the name is currently stable.