Masako: Statistics About The Baby Name Masako
| Year | Boy Rank | # Boys | % Boys | Girl Rank | # Girls | % Girls |
| 1921 | * | * | * | 978 | 58 | 0.0045% |
| 1919 | * | * | * | 950 | 56 | 0.0048% |
| 1913 | * | * | * | 918 | 34 | 0.0052% |
| * No data shown indicates the name was not among the top 1000 most popular names for that year. | ||||||