Heydy is a distinctive girls' name in United States, ranking #9426 in 2000 with 10 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #7513. Since 1996, the popularity has increased by 66.7%. In 2000, approximately 1 in every 181,597 girls born was named Heydy. STABLE Recent data shows the name is currently stable.