Declining since 2007, #6,546 for girls today.
Popularity of Heydi since 1988
Babies named Heydi per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1980s | 15 |
| 1990s | 69 |
| 2000s | 287 |
| 2010s | 209 |
| 2020s | 117 |
Meaning & origin
Heydi is a modern respelling of Heidi, a German name brought to global attention by Johanna Spyri's classic children's novel. The variant spelling began appearing in U.S. birth records in 1988, reflecting a broader cultural preference for phonetic and distinct spellings. It reached its peak popularity in 2008, then declined; by 2025 it ranked 6,546 with a 1-in-94,545 frequency. The trajectory shows a falling trend since 2007, making it a less common choice compared to the standard Heidi form. The name remains primarily used for girls and carries the understated elegance of its old Germanic root.
Heydi is a modern respelling of Heidi, itself a German diminutive of Adelheid (from Old High German adal 'noble' + heit 'kind, sort, estate'). The name Heidi gained international popularity through Johanna Spyri's 1880 novel 'Heidi', and spelling variants like Heydi emerged in the late 20th century as a means of individualization.
Nicknames & variants
Sibling names for Heydi
Names that share Heydi's style, for a brother or sister.

