Eiko is a very rare girls' name that peaked in 1921 and has since faded.
Eiko is a girl name. It last appears in U.S. records in 2018. Eiko was first reported in SSA data in 1915 and peaked in 1921 (18 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2018 | 7 | 7 | #12,853 |
| 1971 | 5 | — | #8,693 |
| 1943 | 5 | — | #4,865 |
| 1938 | 6 | — | #3,970 |
| 1935 | 6 | — | #3,881 |
| 1934 | 8 | — | #3,239 |
| 1933 | 9 | — | #2,943 |
| 1932 | 12 | — | #2,538 |
| 1931 | 8 | — | #3,301 |
| 1930 | 11 | — | #2,737 |
| 1929 | 11 | — | #2,782 |
| 1927 | 8 | — | #3,633 |
| 1926 | 5 | — | #5,050 |
| 1925 | 16 | — | #2,312 |
| 1924 | 8 | — | #3,752 |
| 1923 | 12 | — | #2,775 |
| 1922 | 8 | — | #3,750 |
| 1921 | 18 | — | #2,145 |
| 1920 | 7 | — | #4,087 |
| 1919 | 5 | — | #5,011 |
| 1918 | 8 | — | #3,596 |
| 1917 | 5 | — | #4,788 |
| 1915 | 7 | — | #3,527 |