Mitsuko is a rare girls' name that was most common in the 1910s and has all but disappeared.
Mitsuko is a girl name. It last appears in U.S. records in 1981. Mitsuko first appears in 1911 and peaked in 1919 (48 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1981 | 5 | — | #11,518 |
| 1943 | 5 | — | #5,152 |
| 1936 | 9 | — | #3,026 |
| 1935 | 9 | — | #3,089 |
| 1934 | 7 | — | #3,698 |
| 1933 | 12 | — | #2,504 |
| 1932 | 11 | — | #2,780 |
| 1931 | 13 | — | #2,386 |
| 1930 | 11 | — | #2,803 |
| 1929 | 24 | — | #1,628 |
| 1928 | 21 | — | #1,876 |
| 1927 | 24 | — | #1,758 |
| 1926 | 29 | — | #1,531 |
| 1925 | 39 | — | #1,267 |
| 1924 | 25 | — | #1,752 |
| 1923 | 24 | — | #1,764 |
| 1922 | 43 | — | #1,181 |
| 1921 | 34 | — | #1,398 |
| 1920 | 37 | — | #1,269 |
| 1919 | 48 | — | #1,050 |
| 1918 | 43 | — | #1,146 |
| 1917 | 31 | — | #1,326 |
| 1916 | 16 | — | #2,098 |
| 1915 | 20 | — | #1,720 |
| 1914 | 11 | — | #2,217 |
| 1913 | 9 | — | #2,281 |
| 1911 | 5 | — | #2,741 |