Wanza is a rare girls' name that was most common in the 1910s and has all but disappeared.
Wanza is a girl name. It last appears in U.S. records in 1965. Wanza was first reported in SSA data in 1915 and peaked in 1915 (33 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1965 | 9 | — | #4,824 |
| 1964 | 9 | — | #5,000 |
| 1963 | 5 | — | #7,636 |
| 1962 | 5 | — | #7,564 |
| 1961 | 5 | — | #7,513 |
| 1960 | 11 | — | #4,171 |
| 1959 | 5 | — | #7,181 |
| 1958 | 7 | — | #5,390 |
| 1957 | 10 | — | #4,196 |
| 1956 | 10 | — | #4,154 |
| 1955 | 9 | — | #4,367 |
| 1954 | 11 | — | #3,714 |
| 1952 | 6 | — | #5,544 |
| 1948 | 8 | — | #4,198 |
| 1947 | 6 | — | #5,281 |
| 1946 | 7 | — | #4,405 |
| 1945 | 9 | — | #3,379 |
| 1944 | 10 | — | #3,135 |
| 1943 | 9 | — | #3,481 |
| 1942 | 11 | — | #2,977 |
| 1941 | 9 | — | #3,244 |
| 1940 | 9 | — | #3,202 |
| 1939 | 9 | — | #3,138 |
| 1938 | 6 | — | #4,328 |
| 1937 | 15 | — | #2,191 |
| 1936 | 5 | — | #4,833 |
| 1935 | 6 | — | #4,185 |
| 1934 | 10 | — | #2,918 |
| 1933 | 8 | — | #3,396 |
| 1932 | 5 | — | #5,069 |
| 1931 | 9 | — | #3,218 |
| 1930 | 6 | — | #4,539 |
| 1929 | 9 | — | #3,387 |
| 1928 | 7 | — | #4,182 |
| 1927 | 14 | — | #2,546 |
| 1926 | 12 | — | #2,866 |
| 1925 | 12 | — | #2,932 |
| 1923 | 7 | — | #4,362 |
| 1922 | 8 | — | #4,002 |
| 1921 | 12 | — | #2,936 |
| 1920 | 5 | — | #5,732 |
| 1919 | 8 | — | #3,803 |
| 1918 | 12 | — | #2,813 |
| 1917 | 7 | — | #4,068 |
| 1916 | 13 | — | #2,492 |
| 1915 | 33 | — | #1,229 |