Search gender: all male female Yuchiro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: yuchiro Katakana: ユウチロウ 1 Kanji: 雄一郎 Meaning: 雄Male. The male of an animal. Brave. An excellent person. Large in scale. 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. 郎Male. Men. Young men. A word that refers broadly to boys. A retainer. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Yuchiro Boy Name Meaning, Kanji Variations.