Heydi is a distinctive girls' name in United States, ranking #6497 in 2021 with 18 recorded births. The name reached its all-time peak in 2008 with 43 births ranking #3733. Since 1996, the popularity has increased by 200.0%. In 2021, approximately 1 in every 91,095 girls born was named Heydi. FALLING Recent data shows the name is currently falling.