Sein vs Seichi
Side-by-side comparison of Sein and Seichi — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Sein | Seichi |
|---|---|---|
| Current Rank | Unranked | Unranked |
| Total Births (all years) | 6 | 171 |
| Peak Year | 2003 | 1922 |
| Peak Year Births | 6 | 21 |
| Peak Decade | 2000ss | 1920ss |
| Gender | Boy | Boy |
| First Recorded Year | 2003 | 1913 |
Births by Decade
| Decade | Sein | Seichi |
|---|---|---|
| 1910ss | — | 60 |
| 1920ss | — | 106 |
| 1930ss | — | 5 |
| 2000ss | 6 | — |
Data Sources
Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 2003–2003.