Boys name
Alfonso
Alfonso is a boys' name given to 36,177 boys in the United States since 1910, peaking in 1991 with 516 births. It has appeared in 39 states, and reached its highest rank of 28th among boys names in New Mexico in 1932.
Which states favor Alfonso
Alfonso by state
Top states by all-time births named Alfonso. States with a full trend page are linked; the rest show all-time totals from the same SSA data.
| Rank | State | All-time births | Latest |
|---|---|---|---|
| 1 | California | 11,416 | #558 (2025) |
| 2 | Texas | 9,168 | #526 (2025) |
| 3 | New York | 3,153 | #1584 (2025) |
| 4 | Florida | 1,706 | — |
| 5 | Illinois | 1,653 | — |
| 6 | Arizona | 1,551 | — |
| 7 | New Mexico | 1,301 | — |
| 8 | Pennsylvania | 1,058 | — |
| 9 | New Jersey | 1,042 | — |
| 10 | Colorado | 767 | — |
| 11 | Georgia | 676 | — |
| 12 | Michigan | 435 | — |
| 13 | Alabama | 398 | — |
| 14 | Washington | 264 | — |
| 15 | Ohio | 250 | — |
| 16 | North Carolina | 220 | — |
| 17 | Virginia | 185 | — |
| 18 | South Carolina | 175 | — |
| 19 | Massachusetts | 132 | — |
| 20 | Indiana | 98 | — |
Source: U.S. Social Security Administration (public domain).