Jil is a rare variant of Jill that was most common in the 1950s and has all but disappeared.
Jil is a girl name. It last appears in U.S. records in 2002. Jil was first reported in SSA data in 1945 and peaked in 1957 (36 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2002 | 5 | 5 | #16,625 |
| 2001 | 6 | 6 | #14,316 |
| 1991 | 5 | — | #14,101 |
| 1982 | 5 | — | #11,196 |
| 1981 | 7 | — | #8,478 |
| 1979 | 9 | — | #6,951 |
| 1978 | 6 | — | #8,983 |
| 1977 | 8 | — | #7,155 |
| 1976 | 6 | — | #8,563 |
| 1975 | 6 | — | #8,411 |
| 1973 | 14 | — | #4,229 |
| 1972 | 8 | — | #6,194 |
| 1971 | 9 | — | #5,718 |
| 1970 | 13 | — | #4,344 |
| 1969 | 22 | — | #2,874 |
| 1968 | 18 | — | #3,097 |
| 1967 | 22 | — | #2,663 |
| 1966 | 16 | — | #3,195 |
| 1965 | 13 | — | #3,632 |
| 1964 | 16 | — | #3,298 |
| 1963 | 22 | — | #2,652 |
| 1962 | 25 | — | #2,432 |
| 1961 | 22 | — | #2,637 |
| 1960 | 32 | — | #2,027 |
| 1959 | 31 | — | #2,036 |
| 1958 | 25 | — | #2,284 |
| 1957 | 36 | — | #1,823 |
| 1956 | 27 | — | #2,127 |
| 1955 | 26 | — | #2,136 |
| 1954 | 12 | — | #3,398 |
| 1953 | 11 | — | #3,571 |
| 1952 | 19 | — | #2,449 |
| 1951 | 8 | — | #4,185 |
| 1950 | 7 | — | #4,507 |
| 1949 | 7 | — | #4,429 |
| 1948 | 10 | — | #3,458 |
| 1947 | 6 | — | #4,986 |
| 1946 | 10 | — | #3,323 |
| 1945 | 9 | — | #3,253 |