Name comparison
Compare names
Compare national popularity curves, combined-spelling ranks, trend signals, and practical duplicate estimates.
National popularity over time
Combined-spelling rank, U.S. national history. Lower ranks are more popular.
Quick verdict
Fast takeaways from the current comparison. Click a card to open that name report.
Detailed metrics
Sortable side-by-side values. Highlighted cells mark the strongest value for that row.
| Metric | Lydia | Kennedy |
|---|---|---|
| Official rank | #92 | #85 |
| Combined rank | #100 | #78 |
| Rank difference | -8.0 | 7.0 |
| Multiplier | 1.0× | 1.1× |
| Rate per 10k | 16.7 | 20.7 |
| 1-in-N | 597.1 | 482.5 |
| Trend label | past peak | mixed / watch |
| Expected per 100 | 0.1 | 0.1 |
| Expected per 300 | 0.2 | 0.3 |
| Latest as % of peak | 49.8% | 68.7% |
| Peak year | 1883 | 2015 |