Heydi is a distinctive girls' name in United States, ranking #9404 in 2018 with 11 recorded births. The name reached its all-time peak in 2008 with 43 births ranking #3733. Since 1996, the popularity has increased by 83.3%. In 2018, approximately 1 in every 154,584 girls born was named Heydi. FALLING Recent data shows the name is currently falling.