Seikichi vs Seif
Side-by-side comparison of Seikichi and Seif - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Seikichi | Seif |
| Current Rank | Unranked | #10363 |
| Total Births (all years) | 28 | 275 |
| Peak Year | 1927 | 2014 |
| Peak Year Births | 7 | 16 |
| Peak Decade | 1920s | 2010s |
| Gender | Boy | Boy |
| First Recorded Year | 1918 | 1998 |
Births by Decade
| Decade | Seikichi | Seif |
| 1910s | 5 | - |
| 1920s | 23 | - |
| 1990s | - | 7 |
| 2000s | - | 86 |
| 2010s | - | 113 |
| 2020s | - | 69 |
Recent Annual Births (2014–present)
| Year | Seikichi | Seif |
| 2014 | - | 16 |
| 2015 | - | 14 |
| 2016 | - | 12 |
| 2017 | - | 6 |
| 2018 | - | 12 |
| 2019 | - | 12 |
| 2020 | - | 13 |
| 2021 | - | 7 |
| 2022 | - | 14 |
| 2023 | - | 14 |
| 2024 | - | 7 |
| 2025 | - | 14 |