Jillane is a very rare variant of Jillian that was most common in the 1950s and has all but disappeared.
Jillane is a girl name. It last appears in U.S. records in 1989. Jillane was first reported in SSA data in 1951 and peaked in 1959 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1989 | 5 | — | #13,258 |
| 1987 | 5 | — | #12,084 |
| 1983 | 8 | — | #7,585 |
| 1971 | 6 | — | #7,763 |
| 1970 | 8 | — | #6,022 |
| 1969 | 7 | — | #6,210 |
| 1968 | 11 | — | #4,323 |
| 1967 | 5 | — | #7,219 |
| 1966 | 5 | — | #6,995 |
| 1965 | 8 | — | #5,010 |
| 1964 | 8 | — | #5,189 |
| 1963 | 5 | — | #7,034 |
| 1961 | 6 | — | #6,138 |
| 1959 | 12 | — | #3,701 |
| 1958 | 5 | — | #6,482 |
| 1955 | 5 | — | #6,238 |
| 1953 | 5 | — | #6,056 |
| 1951 | 5 | — | #5,770 |