Primarily a boy's name · 100% boys
→ See names similar to Isamu · Popular names of the 1920s · Boys names starting with I
Rank is among all boys' names registered that year.
| Year | Babies | Rank |
|---|---|---|
| 1912 | 6 | #2,412 |
| 1913 | 11 | #1,738 |
| 1914 | 10 | #2,182 |
| 1915 | 17 | #1,744 |
| 1916 | 22 | #1,530 |
| 1917 | 30 | #1,250 |
| 1918 | 29 | #1,327 |
| 1919 | 22 | #1,599 |
| 1920 | 30 | #1,339 |
| 1921 | 30 | #1,377 |
| 1922 | 40 | #1,126 |
| 1923 | 34 | #1,244 |
| 1924 | 36 | #1,212 |
| 1925 | 39 | #1,132 |
| 1926 | 26 | #1,445 |
| 1927 | 28 | #1,421 |
| 1928 | 18 | #1,866 |
| 1929 | 14 | #2,140 |
| 1930 | 21 | #1,623 |
| 1931 | 7 | #3,236 |
| 1932 | 8 | #2,973 |
| 1933 | 11 | #2,288 |
| 1934 | 12 | #2,182 |
| 1935 | 7 | #3,101 |
| 1938 | 7 | #3,011 |
| 1987 | 5 | #7,419 |
| 2000 | 5 | #11,053 |
| 2001 | 5 | #11,239 |
| 2006 | 7 | #9,974 |
| 2007 | 5 | #13,093 |
| 2008 | 6 | #11,605 |
| 2009 | 8 | #9,307 |
| 2023 | 6 | #11,363 |