Threasa is a rare variant of Theresa that was most common in the 1950s and has all but disappeared.
Threasa is a girl name. It last appears in U.S. records in 1987. Threasa was first reported in SSA data in 1900 and peaked in 1956 (29 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1987 | 6 | — | #11,196 |
| 1983 | 5 | — | #11,936 |
| 1982 | 6 | — | #10,416 |
| 1980 | 5 | — | #12,021 |
| 1979 | 5 | — | #11,837 |
| 1977 | 5 | — | #11,181 |
| 1976 | 8 | — | #7,232 |
| 1975 | 8 | — | #7,104 |
| 1974 | 15 | — | #4,210 |
| 1973 | 13 | — | #4,567 |
| 1972 | 14 | — | #4,277 |
| 1971 | 13 | — | #4,517 |
| 1970 | 20 | — | #3,302 |
| 1969 | 19 | — | #3,190 |
| 1968 | 16 | — | #3,442 |
| 1967 | 11 | — | #4,280 |
| 1966 | 19 | — | #2,929 |
| 1965 | 24 | — | #2,531 |
| 1964 | 21 | — | #2,817 |
| 1963 | 29 | — | #2,245 |
| 1962 | 20 | — | #2,805 |
| 1961 | 16 | — | #3,310 |
| 1960 | 23 | — | #2,570 |
| 1959 | 15 | — | #3,246 |
| 1958 | 22 | — | #2,502 |
| 1957 | 20 | — | #2,642 |
| 1956 | 29 | — | #2,052 |
| 1955 | 15 | — | #3,084 |
| 1954 | 13 | — | #3,315 |
| 1953 | 9 | — | #4,203 |
| 1952 | 13 | — | #3,181 |
| 1951 | 10 | — | #3,699 |
| 1950 | 12 | — | #3,220 |
| 1949 | 10 | — | #3,591 |
| 1948 | 9 | — | #3,857 |
| 1947 | 7 | — | #4,730 |
| 1946 | 10 | — | #3,410 |
| 1944 | 6 | — | #4,529 |
| 1943 | 6 | — | #4,647 |
| 1942 | 5 | — | #5,312 |
| 1939 | 7 | — | #3,749 |
| 1937 | 7 | — | #3,769 |
| 1936 | 5 | — | #4,797 |
| 1935 | 8 | — | #3,399 |
| 1932 | 6 | — | #4,367 |
| 1929 | 6 | — | #4,516 |
| 1928 | 6 | — | #4,674 |
| 1927 | 9 | — | #3,542 |
| 1926 | 5 | — | #5,544 |
| 1925 | 7 | — | #4,389 |
| 1924 | 6 | — | #4,993 |
| 1922 | 6 | — | #4,954 |
| 1920 | 6 | — | #4,918 |
| 1919 | 9 | — | #3,427 |
| 1918 | 9 | — | #3,488 |
| 1917 | 6 | — | #4,540 |
| 1916 | 7 | — | #3,884 |
| 1915 | 6 | — | #4,214 |
| 1900 | 6 | — | #1,909 |