Search gender: all male female シゲキチ Japanese Boy Names Variations. 1 names found. gender: all male female Name: shigekichi Katakana: シゲキチ 0 Kanji: 繁吉 Meaning: 繁Things will flourish. 吉Good. Good luck. Congratulations. Good fortune. Excellent. Wise, honorable. Morally correct. The first day of the month. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > シゲキチ Japanese Boy Names Variations.