Effa is a girl name. It last appeared in U.S. Social Security records in 1944. Effa first appears in the data in 1880 and reached its peak in 1889 (20 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1944 | 7 | #5,894 |
| 1942 | 5 | #7,300 |
| 1927 | 5 | #8,025 |
| 1926 | 7 | #6,536 |
| 1925 | 7 | #6,725 |
| 1924 | 10 | #5,478 |
| 1922 | 5 | #8,391 |
| 1921 | 6 | #7,533 |
| 1920 | 6 | #7,404 |
| 1919 | 6 | #7,222 |
| 1918 | 6 | #7,239 |
| 1917 | 9 | #5,338 |
| 1916 | 7 | #6,105 |
| 1915 | 6 | #6,504 |
| 1914 | 8 | #4,684 |
| 1908 | 10 | #2,122 |
| 1903 | 5 | #2,679 |
| 1902 | 5 | #2,686 |
| 1900 | 6 | #2,657 |
| 1899 | 6 | #2,161 |
| 1898 | 8 | #1,955 |
| 1896 | 6 | #2,244 |
| 1895 | 5 | #2,479 |
| 1894 | 8 | #1,829 |
| 1893 | 7 | #1,891 |
| 1892 | 13 | #1,365 |
| 1891 | 14 | #1,186 |
| 1890 | 12 | #1,330 |
| 1889 | 20 | #960 |
| 1888 | 16 | #1,109 |
| 1886 | 7 | #1,572 |
| 1885 | 14 | #1,059 |
| 1884 | 14 | #1,044 |
| 1883 | 11 | #1,117 |
| 1882 | 7 | #1,438 |
| 1881 | 7 | #1,329 |
| 1880 | 11 | #1,073 |