| Rodolfo | Alvaro | |
|---|---|---|
| Meaning | famous wolf | All-guard |
| Origin | spanish | Spanish |
| Gender | Boy | Boy |
| Pronunciation | roh-DOHL-foh | AHL-vah-roh |
| Syllables | 3 | 3 |
| First appeared | 0 | 1914 |
| Peak year | 1981 (610) | 2000 (441) |
| In 2025 | 0 | 328 |
| Trend | Vintage | Steady |
Source: US Social Security Administration.
| Decade | Rodolfo | Alvaro |
|---|---|---|
| 2020s | 795 | 1,897 |
| 2010s | 2,166 | 2,575 |
| 2000s | 4,595 | 3,910 |
| 1990s | 5,665 | 3,355 |
| 1980s | 5,177 | 2,422 |
| 1970s | 4,053 | 1,202 |
| 1960s | 3,100 | 658 |
| 1950s | 3,031 | 499 |
| 1940s | 1,852 | 270 |
| 1930s | 1,433 | 232 |
| 1920s | 1,507 | 259 |
| 1910s | 359 | 78 |
| 1900s | 40 | 0 |
Spanish and Italian form of Rudolph, from Germanic Hrodwulf: 'hrod' ('fame') plus 'wulf' ('wolf'), meaning 'famous wolf'. The '-olfo' ending reflects the wolf element.
Álvaro comes from a Germanic name meaning “all-guard” or “elf warrior.”
Alvaro is more popular than Rodolfo today: about 328 US babies were given the name Alvaro in 2025, compared with 0 named Rodolfo.
Rodolfo means famous wolf (spanish origin), while Alvaro means All-guard (Spanish origin).
In US records, Rodolfo first appears in 0 and Alvaro in 1914, so Rodolfo has the longer recorded history.