Keisen vs Keion
Side-by-side comparison of Keisen and Keion — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Keisen | Keion |
| Current Rank | Unranked | #2936 |
| Total Births (all years) | 10 | 2,859 |
| Peak Year | 2018 | 1996 |
| Peak Year Births | 5 | 159 |
| Peak Decade | 2010ss | 2000ss |
| Gender | Boy | Boy |
| First Recorded Year | 2018 | 1975 |
Births by Decade
| Decade | Keisen | Keion |
| 1970ss | — | 76 |
| 1980ss | — | 142 |
| 1990ss | — | 752 |
| 2000ss | — | 1,007 |
| 2010ss | 5 | 625 |
| 2020ss | 5 | 257 |
Recent Annual Births (2014–present)
| Year | Keisen | Keion |
| 2014 | — | 63 |
| 2015 | — | 51 |
| 2016 | — | 47 |
| 2017 | — | 62 |
| 2018 | 5 | 52 |
| 2019 | — | 59 |
| 2020 | — | 36 |
| 2021 | — | 47 |
| 2022 | — | 44 |
| 2023 | — | 50 |
| 2024 | — | 43 |
| 2025 | 5 | 37 |