Total babies named Ritha (all years): 140
| Year | Girls (count / rank / %) |
|---|---|
| 1978 | 5 / #11032 / 0.000% |
| 1964 | 5 / #7575 / 0.000% |
| 1963 | 6 / #6440 / 0.000% |
| 1962 | 5 / #7355 / 0.000% |
| 1961 | 7 / #5722 / 0.000% |
| 1959 | 6 / #6080 / 0.000% |
| 1957 | 8 / #4826 / 0.000% |
| 1956 | 8 / #4749 / 0.000% |
| 1954 | 13 / #3291 / 0.001% |
| 1953 | 6 / #5543 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1952 | 13 / #3167 / 0.001% |
| 1951 | 9 / #3941 / 0.001% |
| 1949 | 7 / #4572 / 0.000% |
| 1948 | 5 / #5864 / 0.000% |
| 1947 | 7 / #4684 / 0.000% |
| 1945 | 9 / #3342 / 0.001% |
| 1939 | 6 / #4162 / 0.001% |
| 1935 | 5 / #4783 / 0.000% |
| 1929 | 5 / #5155 / 0.000% |
| 1916 | 5 / #5015 / 0.000% |