Heidi vs Sydney
Head-to-head: full US statistics and history since 1880.
Heidi
a steady, dependable choice
- Rank today
- #340
- Peak
- #60 (1974)
- Babies in 2025
- 894
- Classroom
- likely the only one
- Strongest states
- TX, CA, FL
VS
Sydney
a name gently stepping back from its peak
- Rank today
- #348
- Peak
- #23 (1999)
- Babies in 2025
- 873
- Classroom
- likely the only one
- Strongest states
- CA, TX, NY
The verdict
Heidi is the more popular pick (#340 vs #348). Both sit in a similar popularity band — Heidi is a steady, dependable choice, Sydney is a name gently stepping back from its peak.
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