Louan is a very rare variant of Lona that was most common in the 1930s and has all but disappeared.
Louan is a girl name. It last appears in U.S. records in 1961. Louan first appears in 1933 and peaked in 1935 (7 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1961 | 5 | — | #7,133 |
| 1958 | 6 | — | #5,812 |
| 1957 | 6 | — | #5,797 |
| 1956 | 6 | — | #5,678 |
| 1955 | 7 | — | #5,006 |
| 1954 | 6 | — | #5,488 |
| 1953 | 5 | — | #6,161 |
| 1948 | 5 | — | #5,687 |
| 1947 | 5 | — | #5,762 |
| 1946 | 7 | — | #4,245 |
| 1942 | 6 | — | #4,401 |
| 1935 | 7 | — | #3,612 |
| 1933 | 5 | — | #4,590 |