Total babies named Chiyo (all years): 135
| Year | Girls (count / rank / %) |
|---|---|
| 2019 | 5 / #16044 / 0.000% |
| 2009 | 6 / #15653 / 0.000% |
| 2007 | 5 / #18216 / 0.000% |
| 1929 | 6 / #4148 / 0.001% |
| 1926 | 5 / #4962 / 0.000% |
| 1925 | 7 / #4091 / 0.001% |
| 1924 | 12 / #2839 / 0.001% |
| 1923 | 6 / #4468 / 0.001% |
| 1922 | 8 / #3718 / 0.001% |
| 1921 | 11 / #2969 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1920 | 10 / #3142 / 0.001% |
| 1919 | 8 / #3519 / 0.001% |
| 1918 | 7 / #3939 / 0.001% |
| 1917 | 12 / #2583 / 0.001% |
| 1916 | 10 / #2867 / 0.001% |
| 1915 | 9 / #2940 / 0.001% |
| 1914 | 8 / #2674 / 0.001% |