Illene is a rare variant of Ilene that was most common in the 1940s and has all but disappeared.
Illene is a girl name. It last appears in U.S. records in 1965. Illene was first reported in SSA data in 1915 and peaked in 1941 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1965 | 5 | — | #6,895 |
| 1963 | 6 | — | #6,137 |
| 1962 | 6 | — | #6,138 |
| 1957 | 5 | — | #6,452 |
| 1956 | 8 | — | #4,607 |
| 1955 | 9 | — | #4,185 |
| 1954 | 5 | — | #6,080 |
| 1953 | 6 | — | #5,295 |
| 1952 | 10 | — | #3,645 |
| 1951 | 10 | — | #3,586 |
| 1950 | 9 | — | #3,788 |
| 1947 | 8 | — | #4,129 |
| 1946 | 5 | — | #5,239 |
| 1945 | 11 | — | #2,810 |
| 1944 | 9 | — | #3,229 |
| 1943 | 12 | — | #2,761 |
| 1942 | 7 | — | #3,895 |
| 1941 | 19 | — | #1,914 |
| 1940 | 10 | — | #2,829 |
| 1939 | 11 | — | #2,657 |
| 1937 | 15 | — | #2,129 |
| 1936 | 6 | — | #3,899 |
| 1935 | 9 | — | #3,023 |
| 1934 | 15 | — | #2,128 |
| 1933 | 14 | — | #2,206 |
| 1932 | 10 | — | #2,924 |
| 1931 | 17 | — | #1,982 |
| 1930 | 6 | — | #4,266 |
| 1929 | 15 | — | #2,241 |
| 1928 | 10 | — | #3,033 |
| 1927 | 8 | — | #3,701 |
| 1926 | 17 | — | #2,202 |
| 1925 | 10 | — | #3,217 |
| 1924 | 6 | — | #4,721 |
| 1923 | 5 | — | #5,285 |
| 1922 | 5 | — | #5,357 |
| 1919 | 9 | — | #3,316 |
| 1918 | 8 | — | #3,653 |
| 1916 | 7 | — | #3,708 |
| 1915 | 5 | — | #4,580 |