Isao vs Isaiah
Side-by-side comparison of Isao and Isaiah - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Isao | Isaiah |
| Current Rank | Unranked | #56 |
| Total Births (all years) | 246 | 254,020 |
| Peak Year | 1925 | 2006 |
| Peak Year Births | 20 | 10,459 |
| Peak Decade | 1920s | 2000s |
| Gender | Boy | Boy |
| First Recorded Year | 1915 | 1880 |
Births by Decade
| Decade | Isao | Isaiah |
| 1880s | - | 304 |
| 1890s | - | 264 |
| 1900s | - | 263 |
| 1910s | 70 | 845 |
| 1920s | 128 | 1,262 |
| 1930s | 38 | 1,039 |
| 1940s | 5 | 1,194 |
| 1950s | - | 1,180 |
| 1960s | - | 727 |
| 1970s | - | 1,578 |
| 1980s | - | 6,709 |
| 1990s | - | 36,586 |
| 2000s | - | 92,786 |
| 2010s | 5 | 76,320 |
| 2020s | - | 32,963 |
Recent Annual Births (2014–present)
| Year | Isao | Isaiah |
| 2014 | - | 7,657 |
| 2015 | - | 7,658 |
| 2016 | 5 | 7,573 |
| 2017 | - | 7,262 |
| 2018 | - | 6,719 |
| 2019 | - | 6,214 |
| 2020 | - | 6,094 |
| 2021 | - | 5,724 |
| 2022 | - | 5,430 |
| 2023 | - | 5,162 |
| 2024 | - | 5,286 |
| 2025 | - | 5,267 |