Isao Popularity by Year
Follow Isao across every available national year. Rankings and birth counts remain separated by the source dataset’s girl and boy categories.
Isao birth-count history
The chart samples long histories for faster loading. The complete table below includes every recorded year.
Complete year-by-year record
| Year | Category | Births | Rank | Change from previous recorded year |
|---|---|---|---|---|
| 2016 | Boys | 5 | #12,185 | Down 8,755 places |
| 1944 | Boys | 5 | #3,430 | Down 562 places |
| 1938 | Boys | 7 | #2,868 | Up 777 places |
| 1935 | Boys | 5 | #3,645 | Up 34 places |
| 1934 | Boys | 5 | #3,679 | Down 411 places |
| 1933 | Boys | 6 | #3,268 | Up 93 places |
| 1932 | Boys | 6 | #3,361 | Down 580 places |
| 1930 | Boys | 9 | #2,781 | Down 192 places |
| 1929 | Boys | 10 | #2,589 | Up 254 places |
| 1928 | Boys | 9 | #2,843 | Up 69 places |
| 1927 | Boys | 9 | #2,912 | Down 476 places |
| 1926 | Boys | 12 | #2,436 | Down 691 places |
| 1925 | Boys | 20 | #1,745 | Up 602 places |
| 1924 | Boys | 13 | #2,347 | Down 123 places |
| 1923 | Boys | 14 | #2,224 | Down 341 places |
| 1922 | Boys | 18 | #1,883 | Up 269 places |
| 1921 | Boys | 15 | #2,152 | Up 1,056 places |
| 1920 | Boys | 8 | #3,208 | Down 1,456 places |
| 1919 | Boys | 19 | #1,752 | Up 947 places |
| 1918 | Boys | 10 | #2,699 | Down 944 places |
| 1917 | Boys | 18 | #1,755 | Up 634 places |
| 1916 | Boys | 11 | #2,389 | Down 205 places |
| 1915 | Boys | 12 | #2,184 | — |