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 | Leo | Jameson |
|---|---|---|
| Official rank | #19 | #137 |
| Combined rank | #20 | #137 |
| Rank difference | -1.0 | 0.0 |
| Multiplier | 1.0× | 1.0× |
| Rate per 10k | 47.8 | 15.3 |
| 1-in-N | 209.0 | 654.7 |
| Trend label | mixed / watch | declining |
| Expected per 100 | 0.2 | 0.1 |
| Expected per 300 | 0.7 | 0.2 |
| Latest as % of peak | 89.7% | 58.6% |
| Peak year | 1903 | 2019 |