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 | Louis | Charles |
|---|---|---|
| Official rank | #236 | #51 |
| Combined rank | #237 | #51 |
| Rank difference | -1.0 | 0.0 |
| Multiplier | 1.0× | 1.0× |
| Rate per 10k | 8.8 | 32.6 |
| 1-in-N | 1,141.3 | 306.7 |
| Trend label | past peak | past peak |
| Expected per 100 | 0.0 | 0.2 |
| Expected per 300 | 0.1 | 0.5 |
| Latest as % of peak | 10.3% | 6.7% |
| Peak year | 1908 | 1880 |