The baby name Masato appears in baby name data for the United States from 1912 to 1934. It was most popular in 1916 with 40 babies given the name.
Over the period shown, Masato has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1912 | 18 |
| 1913 | 24 |
| 1914 | 14 |
| 1916 | 40 |
| 1917 | 26 |
| 1918 | 18 |
| 1919 | 26 |
| 1920 | 20 |
| 1921 | 20 |
| 1922 | 16 |
| 1923 | 20 |
| 1924 | 30 |
| 1925 | 22 |
| 1926 | 14 |
| 1927 | 16 |
| 1930 | 14 |
| 1934 | 12 |