Heydy is a distinctive girls' name in United States, ranking #10025 in 2010 with 11 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #7513. Since 1996, the popularity has increased by 83.3%. In 2010, approximately 1 in every 161,575 girls born was named Heydy. STABLE Recent data shows the name is currently stable.