Search gender: all male female 柊也 Japanese Boy Names Variations. 1 names found. gender: all male female Name: shuya Katakana: シュウヤ 0 Kanji: 柊也 Meaning: 柊Holly (a kind of tree). Small evergreen tree of the Moraceae family. 也Affirmation. Words for exclamations, questions, and antonyms. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 柊也 Japanese Boy Names Variations.