Search gender: all male female Kahiro Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kahiro Katakana: カヒロ 0 Kanji: 栞央 Meaning: 栞A bookmark. A sign to be inserted in a book that is about to be read. A guide book. A handbook. A signpost made by breaking off a tree branch on a mountain path. 央Middle. Halfway. End of the line. End. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kahiro Girl Name Meaning, Kanji Variations.