Thelda is a rare girls' name that was most common in the 1920s and has all but disappeared.
Thelda is a girl name. It last appears in U.S. records in 1955. Thelda was first reported in SSA data in 1902 and peaked in 1926 (32 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1955 | 7 | — | #5,156 |
| 1952 | 5 | — | #6,320 |
| 1951 | 5 | — | #6,144 |
| 1950 | 5 | — | #6,028 |
| 1949 | 5 | — | #5,984 |
| 1948 | 9 | — | #3,854 |
| 1947 | 6 | — | #5,250 |
| 1946 | 14 | — | #2,726 |
| 1945 | 8 | — | #3,655 |
| 1944 | 7 | — | #4,026 |
| 1943 | 6 | — | #4,645 |
| 1942 | 9 | — | #3,417 |
| 1941 | 12 | — | #2,658 |
| 1940 | 9 | — | #3,187 |
| 1939 | 7 | — | #3,746 |
| 1938 | 12 | — | #2,562 |
| 1937 | 6 | — | #4,214 |
| 1936 | 16 | — | #2,020 |
| 1935 | 24 | — | #1,540 |
| 1934 | 6 | — | #4,242 |
| 1933 | 7 | — | #3,709 |
| 1932 | 12 | — | #2,621 |
| 1931 | 15 | — | #2,196 |
| 1930 | 14 | — | #2,411 |
| 1929 | 12 | — | #2,727 |
| 1928 | 17 | — | #2,180 |
| 1927 | 23 | — | #1,819 |
| 1926 | 32 | — | #1,441 |
| 1925 | 16 | — | #2,367 |
| 1924 | 19 | — | #2,126 |
| 1923 | 15 | — | #2,448 |
| 1922 | 25 | — | #1,722 |
| 1921 | 15 | — | #2,495 |
| 1920 | 22 | — | #1,881 |
| 1919 | 21 | — | #1,848 |
| 1918 | 12 | — | #2,796 |
| 1917 | 13 | — | #2,537 |
| 1916 | 15 | — | #2,232 |
| 1915 | 10 | — | #2,880 |
| 1914 | 7 | — | #3,150 |
| 1913 | 5 | — | #3,651 |
| 1912 | 6 | — | #2,939 |
| 1911 | 5 | — | #2,824 |
| 1902 | 5 | — | #2,013 |