The baby name Rosalio appears in baby name data for the United States from 1912 to 2010. It was most popular in 1956 with 51 babies given the name.
Over the period shown, Rosalio has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1912 | 11 |
| 1913 | 5 |
| 1915 | 6 |
| 1916 | 9 |
| 1917 | 10 |
| 1918 | 8 |
| 1919 | 10 |
| 1920 | 15 |
| 1921 | 8 |
| 1922 | 15 |
| 1923 | 12 |
| 1924 | 18 |
| 1925 | 10 |
| 1926 | 13 |
| 1927 | 11 |
| 1928 | 20 |
| 1929 | 12 |
| 1930 | 17 |
| 1931 | 26 |
| 1939 | 10 |
| 1940 | 21 |
| 1941 | 21 |
| 1942 | 13 |
| 1943 | 10 |
| 1944 | 13 |
| 1945 | 6 |
| 1946 | 11 |
| 1947 | 45 |
| 1948 | 10 |
| 1949 | 6 |
| 1955 | 24 |
| 1956 | 51 |
| 1957 | 12 |
| 1958 | 20 |
| 1959 | 22 |
| 1960 | 18 |
| 1962 | 14 |
| 1963 | 22 |
| 1964 | 14 |
| 1965 | 10 |
| 1966 | 14 |
| 1968 | 10 |
| 1970 | 9 |
| 1971 | 8 |
| 1973 | 7 |
| 1974 | 6 |
| 1975 | 9 |
| 1976 | 6 |
| 1977 | 6 |
| 1978 | 8 |
| 1979 | 6 |
| 1980 | 7 |
| 1981 | 11 |
| 1982 | 15 |
| 1983 | 9 |
| 1984 | 6 |
| 1985 | 9 |
| 1986 | 6 |
| 1987 | 6 |
| 1989 | 9 |
| 1990 | 6 |
| 1992 | 6 |
| 1993 | 7 |
| 1994 | 10 |
| 1995 | 5 |
| 1996 | 6 |
| 1999 | 6 |
| 2000 | 16 |
| 2008 | 7 |
| 2010 | 6 |