Opel is a very rare variant of Opal that was most common in the 1920s and has all but disappeared.
Opel is a girl name. It last appears in U.S. records in 1977. Opel first appears in 1909 and peaked in 1924 (15 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1977 | 7 | — | #8,163 |
| 1945 | 6 | — | #4,412 |
| 1941 | 5 | — | #4,898 |
| 1939 | 11 | — | #2,707 |
| 1938 | 8 | — | #3,388 |
| 1937 | 6 | — | #4,152 |
| 1936 | 5 | — | #4,704 |
| 1935 | 10 | — | #2,885 |
| 1934 | 6 | — | #4,174 |
| 1931 | 10 | — | #2,927 |
| 1930 | 8 | — | #3,580 |
| 1929 | 11 | — | #2,877 |
| 1928 | 10 | — | #3,106 |
| 1927 | 5 | — | #5,409 |
| 1926 | 10 | — | #3,215 |
| 1925 | 10 | — | #3,305 |
| 1924 | 15 | — | #2,488 |
| 1923 | 12 | — | #2,872 |
| 1922 | 14 | — | #2,569 |
| 1921 | 14 | — | #2,603 |
| 1920 | 8 | — | #3,867 |
| 1919 | 10 | — | #3,171 |
| 1918 | 12 | — | #2,786 |
| 1917 | 8 | — | #3,625 |
| 1916 | 12 | — | #2,613 |
| 1915 | 6 | — | #4,139 |
| 1914 | 7 | — | #3,100 |
| 1913 | 6 | — | #3,099 |
| 1912 | 8 | — | #2,304 |
| 1911 | 5 | — | #2,768 |
| 1910 | 6 | — | #2,339 |
| 1909 | 6 | — | #2,162 |