Keiko is a rare girls' name that peaked in 1995 and remains in steady use.
Keiko is predominantly a girl name. In 2025 it ranked #6,689 among girls (17) and #10,206 among boys (7) — overall #9,228 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 24 | 24 | #6,689 | #10,206 |
| 2024 | 30 | 30 | #5,531 | #10,417 |
| 2023 | 26 | 26 | #5,061 | — |
| 2022 | 24 | 24 | #5,398 | — |
| 2021 | 25 | 25 | #5,166 | — |
| 2020 | 28 | 28 | #4,700 | — |
| 2019 | 18 | 18 | #6,564 | — |
| 2018 | 18 | 18 | #6,662 | — |
| 2017 | 23 | 23 | #5,590 | — |
| 2016 | 16 | 16 | #7,427 | — |
| 2015 | 13 | 13 | #8,698 | — |
| 2014 | 11 | 11 | #9,853 | — |
| 2013 | 16 | 16 | #7,578 | — |
| 2012 | 24 | 24 | #5,641 | — |
| 2011 | 16 | 16 | #7,612 | — |
| 2010 | 19 | 19 | #6,777 | — |
| 2009 | 12 | 12 | #9,706 | — |
| 2008 | 13 | 13 | #9,251 | — |
| 2007 | 17 | 17 | #7,578 | — |
| 2006 | 15 | 15 | #8,055 | — |
| 2005 | 16 | 16 | #7,322 | — |
| 2004 | 19 | 19 | #6,362 | — |
| 2003 | 19 | 19 | #6,183 | — |
| 2002 | 14 | 14 | #7,629 | — |
| 2001 | 15 | 15 | #7,138 | — |
| 2000 | 14 | 14 | #7,369 | — |
| 1999 | 17 | 17 | #6,058 | — |
| 1998 | 17 | 17 | #5,936 | — |
| 1997 | 11 | — | #8,048 | — |
| 1996 | 15 | — | #6,217 | — |
| 1995 | 31 | — | #3,536 | — |
| 1994 | 12 | — | #7,348 | — |
| 1993 | 22 | — | #4,590 | — |
| 1992 | 23 | — | #4,455 | — |
| 1991 | 23 | — | #4,405 | — |
| 1990 | 11 | — | #7,578 | — |
| 1989 | 21 | — | #4,433 | — |
| 1988 | 14 | — | #5,747 | — |
| 1987 | 18 | — | #4,568 | — |
| 1986 | 19 | — | #4,262 | — |
| 1985 | 12 | — | #5,827 | — |
| 1984 | 15 | — | #4,843 | — |
| 1983 | 21 | — | #3,743 | — |
| 1982 | 17 | — | #4,429 | — |
| 1981 | 20 | — | #3,921 | — |
| 1980 | 15 | — | #4,837 | — |
| 1979 | 11 | — | #5,931 | — |
| 1978 | 12 | — | #5,353 | — |
| 1977 | 9 | — | #6,568 | — |
| 1976 | 10 | — | #5,786 | — |
| 1975 | 9 | — | #6,179 | — |
| 1974 | 12 | — | #4,856 | — |
| 1973 | 12 | — | #4,686 | — |
| 1972 | 10 | — | #5,260 | — |
| 1971 | 10 | — | #5,289 | — |
| 1970 | 8 | — | #6,055 | — |
| 1969 | 8 | — | #5,685 | — |
| 1968 | 6 | — | #6,593 | — |
| 1967 | 10 | — | #4,441 | — |
| 1966 | 6 | — | #6,151 | — |
| 1965 | 8 | — | #5,040 | — |
| 1964 | 6 | — | #6,360 | — |
| 1963 | 6 | — | #6,201 | — |
| 1962 | 5 | — | #7,027 | — |
| 1960 | 5 | — | #6,818 | — |
| 1959 | 7 | — | #5,290 | — |
| 1958 | 5 | — | #6,531 | — |
| 1957 | 6 | — | #5,740 | — |
| 1946 | 5 | — | #5,325 | — |
| 1945 | 8 | — | #3,526 | — |
| 1944 | 9 | — | #3,243 | — |
| 1943 | 12 | — | #2,778 | — |
| 1942 | 8 | — | #3,582 | — |
| 1941 | 13 | — | #2,470 | — |
| 1940 | 5 | — | #4,708 | — |
| 1939 | 9 | — | #3,029 | — |
| 1937 | 7 | — | #3,627 | — |
| 1936 | 7 | — | #3,553 | — |
| 1934 | 7 | — | #3,635 | — |
| 1933 | 7 | — | #3,593 | — |
| 1932 | 7 | — | #3,751 | — |
| 1931 | 9 | — | #3,103 | — |
| 1930 | 10 | — | #2,949 | — |
| 1929 | 11 | — | #2,833 | — |
| 1928 | 10 | — | #3,052 | — |
| 1926 | 10 | — | #3,168 | — |
| 1925 | 5 | — | #5,399 | — |
| 1922 | 5 | — | #5,403 | — |