Total babies named Isamu (all years): 562
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 6 / #11363 / 0.000% |
| 2009 | 8 / #9307 / 0.000% |
| 2008 | 6 / #11605 / 0.000% |
| 2007 | 5 / #13093 / 0.000% |
| 2006 | 7 / #9974 / 0.000% |
| 2001 | 5 / #11239 / 0.000% |
| 2000 | 5 / #11053 / 0.000% |
| 1987 | 5 / #7419 / 0.000% |
| 1938 | 7 / #3011 / 0.001% |
| 1935 | 7 / #3101 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1934 | 12 / #2182 / 0.001% |
| 1933 | 11 / #2288 / 0.001% |
| 1932 | 8 / #2973 / 0.001% |
| 1931 | 7 / #3236 / 0.001% |
| 1930 | 21 / #1623 / 0.002% |
| 1929 | 14 / #2140 / 0.001% |
| 1928 | 18 / #1866 / 0.002% |
| 1927 | 28 / #1421 / 0.002% |
| 1926 | 26 / #1445 / 0.002% |
| 1925 | 39 / #1132 / 0.003% |
| Year | Boys (count / rank / %) |
|---|---|
| 1924 | 36 / #1212 / 0.003% |
| 1923 | 34 / #1244 / 0.003% |
| 1922 | 40 / #1126 / 0.004% |
| 1921 | 30 / #1377 / 0.003% |
| 1920 | 30 / #1339 / 0.003% |
| 1919 | 22 / #1599 / 0.002% |
| 1918 | 29 / #1327 / 0.003% |
| 1917 | 30 / #1250 / 0.003% |
| 1916 | 22 / #1530 / 0.002% |
| 1915 | 17 / #1744 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1914 | 10 / #2182 / 0.002% |
| 1913 | 11 / #1738 / 0.002% |
| 1912 | 6 / #2412 / 0.001% |