Heidy is a distinctive girls' name in United States, ranking #1722 in 2020 with 117 recorded births. The name reached its all-time peak in 2010 with 338 births ranking #809. Since 1996, the popularity has increased by 11.4%. In 2020, approximately 1 in every 13,808 girls born was named Heidy. FALLING Recent data shows the name is currently falling.