Alonzo
An Italian and Spanish variant of Alonso, which shortens Alfonso. The Germanic original joins an element meaning noble with funs, ready or eager.
Alonzo in 2025
Alonzo was given to 590 babies in the United States in 2025, making it the 1,028th most popular name of the year. That is roughly one in every 5,619 babies born.
The history of Alonzo
Alonzo reached its highest point in 2022, when 651 babies were given the name, ranking 962nd that year. Its best-ever ranking was 241st, in 1880.
Across the 146 years of records since 1880, 46,109 babies have been named Alonzo. Half of them were born before 1973, which places the name's centre of gravity with Generation X.
Alonzo by decade
| Decade | Babies named Alonzo | Best rank |
|---|---|---|
| 1880s | 1,088 | 241 |
| 1890s | 879 | 411 |
| 1900s | 808 | 484 |
| 1910s | 2,218 | 579 |
| 1920s | 2,996 | 681 |
| 1930s | 2,434 | 714 |
| 1940s | 2,652 | 769 |
| 1950s | 4,003 | 765 |
| 1960s | 4,420 | 746 |
| 1970s | 3,522 | 855 |
| 1980s | 3,664 | 904 |
| 1990s | 4,262 | 981 |
| 2000s | 4,329 | 1,103 |
| 2010s | 5,251 | 963 |
| 2020s | 3,583 | 962 |
Where Alonzo is heading
Alonzo has risen 9% over the past decade, from 542 babies in 2015 to 590 in 2025.
Names like Alonzo
Names that rose and fell at the same time as Alonzo.