Save Gender Feminine Usage Japanese (Rare) Scripts 弥生子(Japanese Kanji) やよいこ(Japanese Hiragana) ヤヨイコ(Japanese Katakana) Pronounced Pron. [jä.jo̞.i.ko̞] [key·simplify] Meaning & History From Yayoi combined with 子 (ko) meaning "child."This name is extremely rare.