Name comparison · boy names
Lewis vs. Louis
In 2025, Louis leads at #249 among U.S. boys' names, with Lewis at #433. The full 145-year picture below shows how the two names got here.
Popularity since 1880
Head to head
| Metric | Lewis | Louis |
|---|---|---|
| Trend | Rising | Stable |
| 2025 rank | #433 | #249 |
| Babies in 2025 | 736 | 1,391 |
| All-time peak | #30 in 1880 | #18 in 1882 |
| Uniqueness score | 39 / 100 | 31 / 100 |
| Strongest state | Vermont (#102) | Vermont (#80) |