The baby name Tonia appears in baby name data for the United States from 1938 to 2003. It was most popular in 1971 with 1,810 babies given the name.
In the later years of this period, Tonia has become less common than it once was.
| Year | Count |
|---|---|
| 1938 | 5 |
| 1942 | 6 |
| 1943 | 11 |
| 1947 | 13 |
| 1948 | 15 |
| 1949 | 37 |
| 1950 | 50 |
| 1951 | 61 |
| 1952 | 73 |
| 1953 | 77 |
| 1954 | 65 |
| 1955 | 124 |
| 1956 | 171 |
| 1957 | 234 |
| 1958 | 337 |
| 1959 | 333 |
| 1960 | 396 |
| 1961 | 446 |
| 1962 | 454 |
| 1963 | 428 |
| 1964 | 554 |
| 1965 | 566 |
| 1966 | 811 |
| 1967 | 1,294 |
| 1968 | 1,415 |
| 1969 | 1,643 |
| 1970 | 1,786 |
| 1971 | 1,810 |
| 1972 | 1,637 |
| 1973 | 1,359 |
| 1974 | 1,448 |
| 1975 | 1,195 |
| 1976 | 973 |
| 1977 | 875 |
| 1978 | 656 |
| 1979 | 553 |
| 1980 | 496 |
| 1981 | 314 |
| 1982 | 251 |
| 1983 | 204 |
| 1984 | 101 |
| 1985 | 178 |
| 1986 | 87 |
| 1987 | 77 |
| 1988 | 48 |
| 1989 | 40 |
| 1990 | 66 |
| 1991 | 32 |
| 1992 | 20 |
| 1993 | 21 |
| 1994 | 25 |
| 1995 | 5 |
| 1997 | 24 |
| 1998 | 5 |
| 1999 | 19 |
| 2000 | 5 |
| 2003 | 5 |