Total babies named Effa (all years): 312
| Year | Girls (count / rank / %) |
|---|---|
| 1944 | 7 / #3799 / 0.001% |
| 1942 | 5 / #4821 / 0.000% |
| 1927 | 5 / #5010 / 0.000% |
| 1926 | 7 / #3984 / 0.001% |
| 1925 | 7 / #4131 / 0.001% |
| 1924 | 10 / #3202 / 0.001% |
| 1922 | 5 / #5214 / 0.000% |
| 1921 | 6 / #4627 / 0.000% |
| 1920 | 6 / #4538 / 0.001% |
| 1919 | 6 / #4403 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1918 | 6 / #4430 / 0.001% |
| 1917 | 9 / #3161 / 0.001% |
| 1916 | 7 / #3647 / 0.001% |
| 1915 | 6 / #3913 / 0.001% |
| 1914 | 8 / #2713 / 0.001% |
| 1908 | 10 / #1377 / 0.003% |
| 1903 | 5 / #1870 / 0.002% |
| 1902 | 5 / #1866 / 0.002% |
| 1900 | 6 / #1781 / 0.002% |
| 1899 | 6 / #1457 / 0.003% |
| Year | Girls (count / rank / %) |
|---|---|
| 1898 | 8 / #1286 / 0.003% |
| 1896 | 6 / #1462 / 0.003% |
| 1895 | 5 / #1663 / 0.002% |
| 1894 | 8 / #1164 / 0.004% |
| 1893 | 7 / #1208 / 0.003% |
| 1892 | 13 / #836 / 0.006% |
| 1891 | 14 / #731 / 0.008% |
| 1890 | 12 / #799 / 0.006% |
| 1889 | 20 / #577 / 0.011% |
| 1888 | 16 / #648 / 0.009% |
| Year | Girls (count / rank / %) |
|---|---|
| 1886 | 7 / #921 / 0.005% |
| 1885 | 14 / #583 / 0.011% |
| 1884 | 14 / #563 / 0.011% |
| 1883 | 11 / #594 / 0.010% |
| 1882 | 7 / #762 / 0.006% |
| 1881 | 7 / #701 / 0.008% |
| 1880 | 11 / #524 / 0.012% |