| Aurelio | Rex | |
|---|---|---|
| Meaning | golden | king |
| Origin | latin | latin |
| Gender | Boy | Boy |
| Pronunciation | ow-REH-lee-oh | reks |
| Syllables | 4 | 1 |
| First appeared | 0 | 1880 |
| Peak year | 2025 (399) | 1951 (1,503) |
| In 2025 | 0 | 281 |
| Trend | Rising | Steady |
Source: US Social Security Administration.
| Decade | Aurelio | Rex |
|---|---|---|
| 2020s | 1,561 | 2,106 |
| 2010s | 967 | 3,945 |
| 2000s | 821 | 2,048 |
| 1990s | 886 | 1,740 |
| 1980s | 765 | 2,532 |
| 1970s | 767 | 3,359 |
| 1960s | 523 | 8,735 |
| 1950s | 512 | 13,499 |
| 1940s | 414 | 6,671 |
| 1930s | 546 | 5,949 |
| 1920s | 573 | 5,627 |
| 1910s | 283 | 3,253 |
| 1900s | 16 | 497 |
| 1890s | 0 | 305 |
| 1880s | 0 | 183 |
Italian and Spanish form of Aurelius, from Latin 'aureus' ('golden') and 'aurum' (gold). Literal gold sense, not golden-haired.
Directly from the Latin noun 'rex', meaning 'king' — the same root behind 'regal' and 'royal'. One of the few names that literally means 'king' with no ambiguity.
Rex is more popular than Aurelio today: about 281 US babies were given the name Rex in 2025, compared with 0 named Aurelio.
Aurelio means golden (latin origin), while Rex means king (latin origin).
In US records, Aurelio first appears in 0 and Rex in 1880, so Aurelio has the longer recorded history.