Total babies named Zylpha (all years): 84
| Year | Girls (count / rank / %) |
|---|---|
| 1924 | 5 / #5900 / 0.000% |
| 1922 | 5 / #5788 / 0.000% |
| 1921 | 8 / #4022 / 0.001% |
| 1918 | 6 / #4808 / 0.001% |
| 1917 | 5 / #5310 / 0.000% |
| 1915 | 8 / #3433 / 0.001% |
| 1913 | 6 / #3186 / 0.001% |
| 1910 | 8 / #1934 / 0.002% |
| 1908 | 5 / #2434 / 0.002% |
| 1900 | 6 / #1931 / 0.002% |
| Year | Girls (count / rank / %) |
|---|---|
| 1897 | 5 / #1799 / 0.002% |
| 1896 | 6 / #1582 / 0.003% |
| 1895 | 5 / #1808 / 0.002% |
| 1892 | 6 / #1449 / 0.003% |