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 | Theo | Leo |
|---|---|---|
| Official rank | #80 | #24 |
| Combined rank | #81 | #26 |
| Rank difference | -1.0 | -2.0 |
| Multiplier | 1.0× | 1.0× |
| Rate per 10k | 24.0 | 45.4 |
| 1-in-N | 417.4 | 220.1 |
| Trend label | recently peaked | stable |
| Expected per 100 | 0.1 | 0.2 |
| Expected per 300 | 0.4 | 0.7 |
| Latest as % of peak | 99.0% | 85.2% |
| Peak year | 2023 | 1903 |