Search gender: all male female Mamayu Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mamayu Katakana: ママユ 0 Kanji: 麻真祐 Meaning: 麻Hemp. An annual herbaceous plant of the mulberry family. General term for plants resembling hemp. Numb. 真True. Truth, not falsehood. Nature as it is. True form. Innate. 祐Help from God and Buddha. To protect and help. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mamayu Girl Name Meaning, Kanji Variations.