Rocio is an established variant of Rosie that peaked in 1991 and has since faded.
Rocio is predominantly a girl name. In 2025 it ranked #3,377 for girl births in the United States (and #5,974 across all names), given to 46 babies. Rocio was first reported in SSA data in 1952 and peaked in 1992 (450 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 46 | 46 | #3,377 | — |
| 2024 | 65 | 72 | #2,689 | — |
| 2023 | 72 | 72 | #2,490 | — |
| 2022 | 64 | 70 | #2,718 | — |
| 2021 | 85 | 85 | #2,209 | — |
| 2020 | 67 | 67 | #2,576 | — |
| 2019 | 78 | 78 | #2,324 | — |
| 2018 | 70 | 70 | #2,528 | — |
| 2017 | 72 | 79 | #2,505 | — |
| 2016 | 74 | 80 | #2,474 | — |
| 2015 | 104 | 112 | #1,948 | — |
| 2014 | 97 | 107 | #2,032 | — |
| 2013 | 110 | 121 | #1,845 | — |
| 2012 | 149 | 166 | #1,502 | — |
| 2011 | 126 | 141 | #1,678 | — |
| 2010 | 153 | 166 | #1,480 | — |
| 2009 | 225 | 236 | #1,127 | — |
| 2008 | 196 | 214 | #1,273 | — |
| 2007 | 215 | 229 | #1,187 | — |
| 2006 | 274 | 297 | #955 | — |
| 2005 | 243 | 258 | #1,007 | — |
| 2004 | 285 | 297 | #864 | — |
| 2003 | 272 | 291 | #888 | — |
| 2002 | 291 | 310 | #805 | — |
| 2001 | 233 | 252 | #954 | — |
| 2000 | 302 | 327 | #779 | #8,942 |
| 1999 | 309 | 333 | #749 | #6,978 |
| 1998 | 350 | 371 | #673 | #8,272 |
| 1997 | 335 | — | #673 | #5,207 |
| 1996 | 338 | — | #674 | #5,458 |
| 1995 | 382 | — | #616 | #3,169 |
| 1994 | 465 | — | #551 | #2,831 |
| 1993 | 451 | — | #550 | #3,476 |
| 1992 | 472 | — | #528 | #3,090 |
| 1991 | 480 | — | #524 | #2,186 |
| 1990 | 447 | — | #548 | #3,929 |
| 1989 | 404 | — | #573 | #2,872 |
| 1988 | 373 | — | #583 | #2,580 |
| 1987 | 343 | — | #596 | #3,305 |
| 1986 | 361 | — | #579 | #2,145 |
| 1985 | 371 | — | #567 | #2,341 |
| 1984 | 345 | — | #568 | #2,423 |
| 1983 | 366 | — | #538 | #2,769 |
| 1982 | 306 | — | #615 | #3,449 |
| 1981 | 321 | — | #594 | #3,805 |
| 1980 | 341 | — | #571 | #2,931 |
| 1979 | 275 | — | #652 | #5,251 |
| 1978 | 250 | — | #659 | #6,566 |
| 1977 | 219 | — | #737 | #4,092 |
| 1976 | 213 | — | #713 | #4,818 |
| 1975 | 189 | — | #779 | #4,226 |
| 1974 | 181 | — | #786 | #4,537 |
| 1973 | 146 | — | #896 | #4,959 |
| 1972 | 141 | — | #896 | — |
| 1971 | 118 | — | #1,071 | #5,506 |
| 1970 | 96 | — | #1,195 | — |
| 1969 | 55 | — | #1,627 | — |
| 1968 | 50 | — | #1,641 | — |
| 1967 | 53 | — | #1,555 | — |
| 1966 | 38 | — | #1,875 | — |
| 1965 | 34 | — | #2,020 | — |
| 1964 | 41 | — | #1,857 | — |
| 1963 | 25 | — | #2,472 | — |
| 1962 | 21 | — | #2,722 | — |
| 1961 | 19 | — | #2,930 | — |
| 1960 | 11 | — | #4,115 | — |
| 1959 | 15 | — | #3,224 | — |
| 1958 | 8 | — | #4,814 | — |
| 1957 | 6 | — | #5,936 | — |
| 1956 | 7 | — | #5,225 | — |
| 1955 | 9 | — | #4,313 | — |
| 1954 | 5 | — | #6,451 | — |
| 1952 | 9 | — | #4,057 | — |