Itha is a very rare girls' name that was most common in the 1910s and has all but disappeared.
Itha is a girl name. It last appears in U.S. records in 1946. Itha first appears in 1896 and peaked in 1916 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1946 | 5 | — | #5,250 |
| 1935 | 6 | — | #3,963 |
| 1934 | 5 | — | #4,586 |
| 1933 | 5 | — | #4,504 |
| 1931 | 5 | — | #4,632 |
| 1929 | 6 | — | #4,303 |
| 1927 | 5 | — | #5,165 |
| 1925 | 6 | — | #4,670 |
| 1924 | 6 | — | #4,729 |
| 1923 | 8 | — | #3,780 |
| 1922 | 5 | — | #5,363 |
| 1921 | 6 | — | #4,755 |
| 1920 | 9 | — | #3,453 |
| 1919 | 7 | — | #4,028 |
| 1918 | 9 | — | #3,373 |
| 1917 | 7 | — | #3,897 |
| 1916 | 13 | — | #2,429 |
| 1914 | 7 | — | #3,026 |
| 1913 | 9 | — | #2,228 |
| 1902 | 5 | — | #1,907 |
| 1896 | 5 | — | #1,695 |