The baby name Ninfa appears in baby name data for the United States from 1912 to 1996. It was most popular in 1943 with 90 babies given the name.
In the later years of this period, Ninfa has become less common than it once was.
| Year | Count |
|---|---|
| 1912 | 12 |
| 1913 | 10 |
| 1915 | 15 |
| 1917 | 16 |
| 1918 | 20 |
| 1919 | 6 |
| 1920 | 13 |
| 1921 | 23 |
| 1922 | 14 |
| 1923 | 24 |
| 1924 | 31 |
| 1925 | 35 |
| 1926 | 43 |
| 1927 | 62 |
| 1928 | 86 |
| 1929 | 44 |
| 1930 | 68 |
| 1931 | 58 |
| 1932 | 53 |
| 1933 | 50 |
| 1934 | 33 |
| 1935 | 72 |
| 1936 | 30 |
| 1937 | 27 |
| 1938 | 38 |
| 1939 | 27 |
| 1940 | 19 |
| 1941 | 34 |
| 1943 | 90 |
| 1950 | 35 |
| 1951 | 28 |
| 1952 | 35 |
| 1953 | 35 |
| 1954 | 32 |
| 1955 | 32 |
| 1956 | 31 |
| 1957 | 19 |
| 1958 | 19 |
| 1959 | 36 |
| 1960 | 22 |
| 1961 | 24 |
| 1967 | 15 |
| 1968 | 14 |
| 1969 | 17 |
| 1970 | 9 |
| 1971 | 10 |
| 1972 | 14 |
| 1973 | 8 |
| 1974 | 12 |
| 1975 | 13 |
| 1976 | 8 |
| 1977 | 6 |
| 1978 | 5 |
| 1979 | 5 |
| 1980 | 12 |
| 1981 | 9 |
| 1982 | 7 |
| 1983 | 9 |
| 1984 | 5 |
| 1985 | 16 |
| 1986 | 12 |
| 1987 | 14 |
| 1988 | 10 |
| 1996 | 8 |