Marnell is a very rare name used for both girls and boys that was most common in the 1960s and has all but disappeared.
Marnell is predominantly a girl name. It last appears in U.S. records in 2012. Marnell first appears in 1919 and peaked in 1952 (12 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2012 | 5 | 5 | — | #13,504 |
| 2008 | 5 | 5 | — | #13,862 |
| 2006 | 5 | 5 | — | #13,304 |
| 1985 | 5 | — | — | #7,195 |
| 1981 | 6 | — | — | #5,982 |
| 1979 | 5 | — | #11,249 | — |
| 1970 | 7 | — | #6,778 | — |
| 1969 | 13 | — | #6,365 | #4,238 |
| 1968 | 6 | — | #6,723 | — |
| 1967 | 7 | — | #5,823 | — |
| 1965 | 8 | — | #5,123 | — |
| 1964 | 5 | — | #7,421 | — |
| 1961 | 6 | — | #6,311 | — |
| 1956 | 6 | — | #5,722 | — |
| 1955 | 8 | — | #4,611 | — |
| 1954 | 9 | — | #4,170 | — |
| 1953 | 5 | — | #6,218 | — |
| 1952 | 12 | — | #3,324 | — |
| 1951 | 8 | — | #4,251 | — |
| 1950 | 5 | — | #5,820 | — |
| 1949 | 6 | — | #5,049 | — |
| 1948 | 10 | — | #3,510 | — |
| 1945 | 5 | — | #5,001 | — |
| 1944 | 5 | — | #5,025 | — |
| 1943 | 8 | — | #3,703 | — |
| 1942 | 8 | — | #3,623 | — |
| 1941 | 6 | — | #4,257 | — |
| 1940 | 8 | — | #3,408 | — |
| 1939 | 8 | — | #3,323 | — |
| 1938 | 8 | — | #3,359 | — |
| 1937 | 7 | — | #3,680 | — |
| 1936 | 8 | — | #3,282 | — |
| 1935 | 5 | — | #4,661 | — |
| 1934 | 6 | — | #4,130 | — |
| 1932 | 8 | — | #3,471 | — |
| 1931 | 5 | — | #4,749 | — |
| 1928 | 8 | — | #3,643 | — |
| 1927 | 5 | — | #5,334 | — |
| 1926 | 6 | — | #4,656 | — |
| 1923 | 6 | — | #4,766 | — |
| 1919 | 5 | — | #5,294 | — |