Nobuo is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Nobuo is a boy name. It last appears in U.S. records in 1938. Nobuo was first reported in SSA data in 1913 and peaked in 1921 (23 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1938 | 5 | — | #3,887 |
| 1933 | 5 | — | #4,006 |
| 1931 | 8 | — | #3,018 |
| 1930 | 6 | — | #3,883 |
| 1929 | 12 | — | #2,420 |
| 1928 | 19 | — | #1,805 |
| 1927 | 14 | — | #2,264 |
| 1926 | 10 | — | #2,848 |
| 1925 | 6 | — | #4,063 |
| 1924 | 17 | — | #2,027 |
| 1923 | 19 | — | #1,849 |
| 1922 | 11 | — | #2,754 |
| 1921 | 23 | — | #1,627 |
| 1920 | 20 | — | #1,801 |
| 1919 | 11 | — | #2,619 |
| 1918 | 10 | — | #2,828 |
| 1917 | 7 | — | #3,462 |
| 1916 | 8 | — | #3,107 |
| 1915 | 16 | — | #1,861 |
| 1914 | 9 | — | #2,398 |
| 1913 | 6 | — | #2,705 |