Heydy is a distinctive girls' name in United States, ranking #8010 in 2006 with 15 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #7513. Since 1996, the popularity has increased by 150.0%. In 2006, approximately 1 in every 126,738 girls born was named Heydy. STABLE Recent data shows the name is currently stable.