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 | Summer | Allison |
|---|---|---|
| Official rank | #152 | #103 |
| Combined rank | #154 | #58 |
| Rank difference | -2.0 | 45.0 |
| Multiplier | 1.0× | 1.6× |
| Rate per 10k | 12.3 | 25.2 |
| 1-in-N | 811.8 | 396.6 |
| Trend label | stable | past peak |
| Expected per 100 | 0.1 | 0.1 |
| Expected per 300 | 0.2 | 0.4 |
| Latest as % of peak | 74.6% | 38.0% |
| Peak year | 1977 | 1986 |