Heidi is a moderately popular girls' name in United States, ranking #396 in 2021 with 795 recorded births. The name reached its all-time peak in 2008 with 1,167 births ranking #289. Since 1996, the popularity has decreased by 20.0%. In 2021, approximately 1 in every 2,063 girls born was named Heidi. STABLE Recent data shows the name is currently stable.