The baby name Loni appears in baby name data for the United States from 1951 to 1995. It was most popular in 1980 with 278 babies given the name.
In the later years of this period, Loni has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1951 | 6 |
| 1957 | 25 |
| 1958 | 11 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 5 |
| 1963 | 16 |
| 1964 | 13 |
| 1965 | 11 |
| 1966 | 5 |
| 1967 | 17 |
| 1969 | 5 |
| 1970 | 5 |
| 1979 | 70 |
| 1980 | 278 |
| 1981 | 255 |
| 1982 | 178 |
| 1983 | 107 |
| 1984 | 87 |
| 1985 | 86 |
| 1986 | 35 |
| 1987 | 20 |
| 1988 | 13 |
| 1989 | 61 |
| 1990 | 20 |
| 1991 | 52 |
| 1992 | 28 |
| 1994 | 5 |
| 1995 | 10 |