Total babies named Tamotsu (all years): 199
| Year | Boys (count / rank / %) |
|---|---|
| 1932 | 6 / #3735 / 0.001% |
| 1930 | 12 / #2437 / 0.001% |
| 1929 | 9 / #2954 / 0.001% |
| 1928 | 16 / #2040 / 0.001% |
| 1927 | 18 / #1950 / 0.002% |
| 1926 | 14 / #2289 / 0.001% |
| 1925 | 7 / #3706 / 0.001% |
| 1924 | 12 / #2620 / 0.001% |
| 1923 | 26 / #1495 / 0.002% |
| 1922 | 14 / #2331 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1921 | 15 / #2254 / 0.001% |
| 1920 | 12 / #2586 / 0.001% |
| 1919 | 7 / #3701 / 0.001% |
| 1918 | 9 / #3078 / 0.001% |
| 1917 | 11 / #2545 / 0.001% |
| 1915 | 11 / #2438 / 0.001% |