Theodus is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Theodus is a boy name. It last appears in U.S. records in 1985. Theodus first appears in 1912 and peaked in 1921 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1985 | 5 | — | #7,490 |
| 1979 | 7 | — | #5,314 |
| 1975 | 5 | — | #6,256 |
| 1968 | 7 | — | #3,644 |
| 1966 | 5 | — | #4,480 |
| 1965 | 5 | — | #4,377 |
| 1962 | 6 | — | #4,001 |
| 1960 | 7 | — | #3,632 |
| 1958 | 7 | — | #3,533 |
| 1957 | 5 | — | #4,498 |
| 1956 | 5 | — | #4,411 |
| 1953 | 8 | — | #3,123 |
| 1952 | 7 | — | #3,344 |
| 1951 | 6 | — | #3,678 |
| 1949 | 5 | — | #4,154 |
| 1947 | 5 | — | #4,216 |
| 1940 | 6 | — | #3,429 |
| 1939 | 5 | — | #3,925 |
| 1937 | 7 | — | #3,148 |
| 1935 | 5 | — | #4,100 |
| 1931 | 6 | — | #3,723 |
| 1928 | 7 | — | #3,668 |
| 1927 | 5 | — | #4,738 |
| 1924 | 6 | — | #4,301 |
| 1922 | 5 | — | #4,891 |
| 1921 | 8 | — | #3,482 |
| 1920 | 5 | — | #4,918 |
| 1919 | 7 | — | #3,704 |
| 1917 | 5 | — | #4,520 |
| 1912 | 6 | — | #2,512 |