Adlean is a very rare variant of Adelyn that was most common in the 1920s and has all but disappeared.
Adlean is a girl name. It last appears in U.S. records in 1951. Adlean first appears in 1919 and peaked in 1921 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1951 | 5 | — | #5,415 |
| 1948 | 6 | — | #4,653 |
| 1947 | 6 | — | #4,765 |
| 1943 | 5 | — | #4,693 |
| 1942 | 7 | — | #3,740 |
| 1939 | 8 | — | #3,147 |
| 1938 | 6 | — | #3,848 |
| 1937 | 7 | — | #3,435 |
| 1935 | 5 | — | #4,208 |
| 1934 | 8 | — | #3,161 |
| 1933 | 8 | — | #3,111 |
| 1932 | 7 | — | #3,570 |
| 1930 | 8 | — | #3,346 |
| 1927 | 6 | — | #4,294 |
| 1926 | 5 | — | #4,854 |
| 1925 | 7 | — | #4,031 |
| 1923 | 11 | — | #2,918 |
| 1921 | 11 | — | #2,945 |
| 1920 | 7 | — | #3,960 |
| 1919 | 5 | — | #4,817 |