Althia is a very rare variant of Althea that was most common in the 1940s and has all but disappeared.
Althia is a girl name. It last appears in U.S. records in 1975. Althia first appears in 1912 and peaked in 1945 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1975 | 5 | — | #9,108 |
| 1971 | 7 | — | #6,633 |
| 1969 | 7 | — | #5,989 |
| 1967 | 5 | — | #6,822 |
| 1965 | 8 | — | #4,836 |
| 1964 | 5 | — | #6,788 |
| 1963 | 5 | — | #6,610 |
| 1961 | 8 | — | #4,892 |
| 1958 | 7 | — | #4,900 |
| 1957 | 5 | — | #6,101 |
| 1956 | 5 | — | #5,975 |
| 1955 | 9 | — | #4,075 |
| 1954 | 8 | — | #4,285 |
| 1953 | 13 | — | #3,115 |
| 1950 | 5 | — | #5,314 |
| 1949 | 6 | — | #4,688 |
| 1948 | 5 | — | #5,256 |
| 1945 | 13 | — | #2,463 |
| 1943 | 5 | — | #4,709 |
| 1937 | 6 | — | #3,815 |
| 1929 | 7 | — | #3,689 |
| 1928 | 7 | — | #3,756 |
| 1926 | 5 | — | #4,870 |
| 1922 | 7 | — | #4,027 |
| 1921 | 7 | — | #4,037 |
| 1920 | 5 | — | #4,995 |
| 1919 | 5 | — | #4,839 |
| 1917 | 7 | — | #3,726 |
| 1916 | 5 | — | #4,440 |
| 1915 | 11 | — | #2,539 |
| 1914 | 7 | — | #2,889 |
| 1912 | 5 | — | #2,992 |