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. YA-YO-EE-KO [key·IPA] Meaning & History From Yayoi combined with 子 (ko) meaning "child."This name is extremely rare.