Total babies named Chizuko (all years): 169
| Year | Girls (count / rank / %) |
|---|---|
| 1935 | 5 / #4313 / 0.000% |
| 1933 | 8 / #3154 / 0.001% |
| 1931 | 6 / #3939 / 0.001% |
| 1929 | 7 / #3733 / 0.001% |
| 1928 | 6 / #4273 / 0.001% |
| 1927 | 12 / #2726 / 0.001% |
| 1926 | 7 / #3945 / 0.001% |
| 1925 | 14 / #2506 / 0.001% |
| 1924 | 13 / #2693 / 0.001% |
| 1923 | 15 / #2382 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1922 | 14 / #2509 / 0.001% |
| 1921 | 17 / #2211 / 0.001% |
| 1920 | 10 / #3143 / 0.001% |
| 1918 | 10 / #3064 / 0.001% |
| 1917 | 7 / #3783 / 0.001% |
| 1916 | 8 / #3313 / 0.001% |
| 1915 | 5 / #4397 / 0.001% |
| 1914 | 5 / #3716 / 0.001% |