Total babies named Zilphia (all years): 199
| Year | Girls (count / rank / %) |
|---|---|
| 1950 | 6 / #5298 / 0.000% |
| 1941 | 6 / #4419 / 0.001% |
| 1940 | 5 / #5027 / 0.000% |
| 1936 | 6 / #4180 / 0.001% |
| 1930 | 7 / #4045 / 0.001% |
| 1929 | 8 / #3681 / 0.001% |
| 1928 | 5 / #5439 / 0.000% |
| 1927 | 8 / #3874 / 0.001% |
| 1926 | 9 / #3562 / 0.001% |
| 1924 | 10 / #3392 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1923 | 5 / #5737 / 0.000% |
| 1922 | 11 / #3151 / 0.001% |
| 1921 | 8 / #4021 / 0.001% |
| 1920 | 16 / #2356 / 0.001% |
| 1919 | 11 / #3004 / 0.001% |
| 1918 | 9 / #3511 / 0.001% |
| 1917 | 5 / #5307 / 0.000% |
| 1916 | 12 / #2657 / 0.001% |
| 1915 | 8 / #3432 / 0.001% |
| 1914 | 5 / #4203 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1911 | 5 / #2867 / 0.001% |
| 1909 | 5 / #2546 / 0.001% |
| 1905 | 5 / #2232 / 0.002% |
| 1903 | 7 / #1591 / 0.003% |
| 1902 | 6 / #1791 / 0.002% |
| 1897 | 6 / #1554 / 0.003% |
| 1888 | 5 / #1473 / 0.003% |