The baby name Theda appears in baby name data for the United States from 1915 to 1964. It was most popular in 1919 with 409 babies given the name.
In the later years of this period, Theda has become less common than it once was.
| Year | Count |
|---|---|
| 1915 | 114 |
| 1916 | 379 |
| 1917 | 403 |
| 1918 | 400 |
| 1919 | 409 |
| 1920 | 328 |
| 1921 | 271 |
| 1922 | 192 |
| 1923 | 225 |
| 1924 | 186 |
| 1925 | 149 |
| 1926 | 183 |
| 1927 | 146 |
| 1928 | 111 |
| 1929 | 130 |
| 1930 | 67 |
| 1931 | 78 |
| 1932 | 71 |
| 1933 | 32 |
| 1934 | 49 |
| 1935 | 24 |
| 1936 | 43 |
| 1937 | 43 |
| 1938 | 26 |
| 1939 | 35 |
| 1940 | 39 |
| 1941 | 33 |
| 1942 | 23 |
| 1943 | 17 |
| 1944 | 37 |
| 1945 | 22 |
| 1946 | 6 |
| 1947 | 34 |
| 1948 | 38 |
| 1949 | 15 |
| 1950 | 29 |
| 1951 | 12 |
| 1952 | 5 |
| 1953 | 30 |
| 1954 | 13 |
| 1955 | 16 |
| 1956 | 14 |
| 1957 | 5 |
| 1961 | 7 |
| 1964 | 5 |