Tamotsu is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Tamotsu is a boy name. It last appears in U.S. records in 1932. Tamotsu first appears in 1915 and peaked in 1923 (26 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1932 | 6 | — | #3,735 |
| 1930 | 12 | — | #2,437 |
| 1929 | 9 | — | #2,954 |
| 1928 | 16 | — | #2,040 |
| 1927 | 18 | — | #1,950 |
| 1926 | 14 | — | #2,289 |
| 1925 | 7 | — | #3,706 |
| 1924 | 12 | — | #2,620 |
| 1923 | 26 | — | #1,495 |
| 1922 | 14 | — | #2,331 |
| 1921 | 15 | — | #2,254 |
| 1920 | 12 | — | #2,586 |
| 1919 | 7 | — | #3,701 |
| 1918 | 9 | — | #3,078 |
| 1917 | 11 | — | #2,545 |
| 1915 | 11 | — | #2,438 |