Regulus vs Ulus
Regulus vs Ulus: popularity history side-by-side from official U.S. Social Security birth records.
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Regulus
| Total recorded births | 18 |
| Peak year | 2025 (#10443) |
| Years on the list | 3 |
| 10-year trend | — |
Ulus
| Total recorded births | 155 |
| Peak year | 1924 (#2461) |
| Years on the list | 22 |
| 10-year trend | +100.0% |
Figures are from the U.S. Social Security Administration Popular Baby Names dataset (public domain). Names with fewer than 5 recorded births in a year or state are suppressed by the source.