Rosio
Primarily a girl's name of Spanish origin with 2,474 recorded births. Also given to 19 boys.
Meaning & Origin
a surname
Rosio is a girl's and boy's baby name of Spanish origin, a variant of Rocío, from the Spanish word for 'dew' — as in Nuestra Señora del Rocío, Our Lady of the Dew. It is a popular Marian name in Spanish-speaking communities, evoking freshness and purity.
EtymologyShow more
In the American context, Rosio is a girl's name with several decades of recorded use (1963–2023). Its Spanish roots connect it to a broader naming tradition, but in practice, American usage often reshapes names — adding nicknames, shifting pronunciation, and building new associations that diverge from the original cultural context.
Though no longer in the top 1,000, Rosio’s 2,474 recorded births mean it has left a mark. Every name carries the accumulated identity of the people who have worn it — and Rosio has decades of that history.
At a Glance
Popularity Over Time
Rosio has 55+ years of history in the U.S., first appearing in 1963.
Popularity by Decade
| Decade | Births | Avg Rank | Trend |
|---|---|---|---|
| 2020s | 5 | #17121 | ▼ |
| 2010s | 67 | #12880 | ▼ |
| 2000s | 365 | #4420 | ▼ |
| 1990s | 732 | #2063 | — |
| 1980s | 745 | #1671 | ▲ |
| 1970s | 493 | #2060 | ▲ |
| 1960s | 67 | #5077 | — |
The Story of Rosio
A Millennial name
Peaking in 1981, Rosio is a Millennial-era classic. Girls named Rosio are most likely born between 1971 and 1991.
How rare is Rosio?
With 2,474 total births on record, Rosio remains a rare and distinctive pick.
The journey through the decades
First appeared in the records in 1963, peaked in the 1980s with 745 births that decade, and has since become a rare, vintage choice.
Rosio by the numbers
- Would fill 52 school buses
- Meeting one Rosio per day would take 6.8 years
Year-by-Year Data
View complete yearly data(55 years, 1963–2023)
| Year | Births | Rank |
|---|---|---|
| 2023 | 5 | #17121 |
| 2019 | 5 | #17500 |
| 2015 | 5 | #18597 |
| 2014 | 8 | #12842 |
| 2013 | 9 | #11795 |
| 2012 | 8 | #13226 |
| 2011 | 20 | #6519 |
| 2010 | 12 | #9681 |
| 2009 | 35 | #4353 |
| 2008 | 23 | #6097 |
| 2007 | 26 | #5494 |
| 2006 | 27 | #5200 |
| 2005 | 16 | #7426 |
| 2004 | 59 | #2772 |
| 2003 | 42 | #3456 |
| 2002 | 52 | #2882 |
| 2001 | 40 | #3408 |
| 2000 | 45 | #3110 |
| 1999 | 54 | #2635 |
| 1998 | 41 | #3104 |
Source: U.S. Social Security Administration. Showing years with 5+ recorded births.
Rosio as a Boy's Name
While overwhelmingly a girl's name, Rosio has also been given to 19 boys in the U.S. since 1983.
Frequently Asked Questions
Is Rosio a boy's or girl's name?
When was Rosio most popular?
How popular is the name Rosio?
Can Rosio be used for both boys and girls?
Explore More
Data source: U.S. Social Security Administration, 1963–2023