Theresia is an uncommon girls' name that was most common in the 1950s and has all but disappeared.
Theresia is a girl name. It last appears in U.S. records in 2007. Theresia was first reported in SSA data in 1881 and peaked in 1959 (58 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2007 | 7 | 7 | #15,351 |
| 2002 | 6 | 6 | #15,255 |
| 2000 | 7 | 7 | #13,042 |
| 1998 | 6 | 6 | #13,973 |
| 1993 | 6 | — | #13,308 |
| 1992 | 10 | — | #8,698 |
| 1991 | 6 | — | #13,009 |
| 1989 | 7 | — | #10,757 |
| 1988 | 11 | — | #7,078 |
| 1987 | 5 | — | #13,107 |
| 1986 | 8 | — | #8,465 |
| 1985 | 7 | — | #9,223 |
| 1984 | 8 | — | #8,098 |
| 1983 | 17 | — | #4,466 |
| 1982 | 10 | — | #6,850 |
| 1981 | 9 | — | #7,368 |
| 1980 | 18 | — | #4,310 |
| 1979 | 10 | — | #6,658 |
| 1978 | 11 | — | #5,940 |
| 1977 | 6 | — | #9,549 |
| 1976 | 11 | — | #5,577 |
| 1975 | 12 | — | #5,142 |
| 1974 | 18 | — | #3,683 |
| 1973 | 14 | — | #4,341 |
| 1972 | 10 | — | #5,444 |
| 1971 | 19 | — | #3,494 |
| 1970 | 22 | — | #3,102 |
| 1969 | 28 | — | #2,512 |
| 1968 | 25 | — | #2,533 |
| 1967 | 24 | — | #2,551 |
| 1966 | 26 | — | #2,403 |
| 1965 | 26 | — | #2,404 |
| 1964 | 45 | — | #1,745 |
| 1963 | 35 | — | #2,014 |
| 1962 | 43 | — | #1,756 |
| 1961 | 45 | — | #1,716 |
| 1960 | 36 | — | #1,920 |
| 1959 | 58 | — | #1,416 |
| 1958 | 41 | — | #1,702 |
| 1957 | 34 | — | #1,897 |
| 1956 | 40 | — | #1,691 |
| 1955 | 34 | — | #1,834 |
| 1954 | 42 | — | #1,578 |
| 1953 | 35 | — | #1,699 |
| 1952 | 31 | — | #1,819 |
| 1951 | 33 | — | #1,697 |
| 1950 | 27 | — | #1,868 |
| 1949 | 36 | — | #1,561 |
| 1948 | 36 | — | #1,572 |
| 1947 | 27 | — | #1,895 |
| 1946 | 17 | — | #2,386 |
| 1945 | 13 | — | #2,585 |
| 1944 | 8 | — | #3,657 |
| 1943 | 13 | — | #2,680 |
| 1942 | 18 | — | #2,111 |
| 1941 | 18 | — | #2,015 |
| 1940 | 10 | — | #2,937 |
| 1939 | 12 | — | #2,569 |
| 1938 | 8 | — | #3,429 |
| 1937 | 7 | — | #3,766 |
| 1936 | 8 | — | #3,347 |
| 1935 | 18 | — | #1,910 |
| 1934 | 14 | — | #2,277 |
| 1933 | 14 | — | #2,263 |
| 1932 | 18 | — | #1,944 |
| 1931 | 14 | — | #2,299 |
| 1930 | 14 | — | #2,412 |
| 1929 | 14 | — | #2,418 |
| 1928 | 20 | — | #1,957 |
| 1927 | 21 | — | #1,930 |
| 1926 | 21 | — | #1,926 |
| 1925 | 10 | — | #3,340 |
| 1924 | 22 | — | #1,919 |
| 1923 | 18 | — | #2,159 |
| 1922 | 15 | — | #2,469 |
| 1921 | 12 | — | #2,920 |
| 1920 | 20 | — | #2,009 |
| 1919 | 16 | — | #2,251 |
| 1918 | 23 | — | #1,748 |
| 1917 | 14 | — | #2,416 |
| 1916 | 32 | — | #1,295 |
| 1915 | 27 | — | #1,401 |
| 1914 | 11 | — | #2,246 |
| 1913 | 16 | — | #1,519 |
| 1912 | 15 | — | #1,467 |
| 1911 | 11 | — | #1,536 |
| 1910 | 9 | — | #1,758 |
| 1908 | 14 | — | #1,129 |
| 1907 | 9 | — | #1,500 |
| 1906 | 8 | — | #1,546 |
| 1905 | 7 | — | #1,680 |
| 1904 | 20 | — | #834 |
| 1903 | 13 | — | #1,022 |
| 1902 | 12 | — | #1,070 |
| 1901 | 14 | — | #912 |
| 1900 | 9 | — | #1,417 |
| 1899 | 16 | — | #832 |
| 1898 | 18 | — | #815 |
| 1897 | 13 | — | #928 |
| 1896 | 17 | — | #811 |
| 1895 | 12 | — | #977 |
| 1894 | 17 | — | #740 |
| 1893 | 13 | — | #862 |
| 1892 | 13 | — | #857 |
| 1891 | 17 | — | #665 |
| 1890 | 9 | — | #1,000 |
| 1889 | 18 | — | #618 |
| 1888 | 22 | — | #546 |
| 1887 | 11 | — | #727 |
| 1886 | 6 | — | #1,096 |
| 1885 | 10 | — | #741 |
| 1884 | 12 | — | #639 |
| 1883 | 6 | — | #916 |
| 1882 | 13 | — | #527 |
| 1881 | 8 | — | #671 |