
Meaning: lawful second son
Origin
Japan
Gender
Boy
Popularity
Fresh

Seiji connects the sound of the name with the idea of lawful second son.
The spelling is clean enough for everyday use while still feeling distinctive.
Its Japan origin gives the name cultural shape without making it feel heavy.
The name can feel gentle in childhood and confident in adulthood.
It gives family and friends an easy meaning to remember: "lawful second son".
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Seiji has a soft, steady presence. It does not need a long explanation to make sense, yet the meaning gives it a little depth when someone asks where it comes from.
Parents often look for names that feel good in ordinary moments. Seiji works well there because it is readable, direct, and not overloaded with extra sound.
Seiji sits comfortably within Japan naming style, especially for parents who care about both meaning and origin.
love and jasmine