Save Gender Feminine Usage Japanese Scripts マキコ(Japanese Katakana) 眞希子, 茉貴子, 麻季子, etc.(Japanese Kanji) Pronounced Pron. MAH-KEE-KO [key] Meaning & History From Japanese 真 (ma) meaning "real, sincere, true, genuine" combined with 希 (ki) meaning "hope" and 子 (ko) meaning "child", as well as other combinations of kanji.