Total babies named Seichi (all years): 171
| Year | Boys (count / rank / %) |
|---|---|
| 1931 | 5 / #4248 / 0.000% |
| 1928 | 9 / #3039 / 0.001% |
| 1927 | 7 / #3728 / 0.001% |
| 1926 | 9 / #3102 / 0.001% |
| 1925 | 9 / #3117 / 0.001% |
| 1924 | 10 / #2993 / 0.001% |
| 1923 | 11 / #2749 / 0.001% |
| 1922 | 21 / #1753 / 0.002% |
| 1921 | 17 / #2046 / 0.002% |
| 1920 | 13 / #2437 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1919 | 14 / #2244 / 0.001% |
| 1918 | 15 / #2146 / 0.001% |
| 1917 | 9 / #2915 / 0.001% |
| 1916 | 6 / #3826 / 0.001% |
| 1915 | 11 / #2431 / 0.001% |
| 1913 | 5 / #3194 / 0.001% |