Seiji is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Seiji across the United States, UK, Ireland and New Zealand, how popular Seiji has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 517 births |
| England & Wales since 1996 | 6 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Seiji per year, United States (1914 to 2025). United States peaked in 2007 (19/yr) · England & Wales peaked in 2012 (3/yr).
Seiji is a rare baby name in the United States. It was most common in 2007, when it ranked #11,623 nationally (given to 19 babies that year).
Ciji · Sedgie · Ceji · Saije · Saija · Seija
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