Search gender: all male female イワキチ Japanese Boy Names Variations. 1 names found. gender: all male female Name: iwakichi Katakana: イワキチ 0 Kanji: 岩吉 Meaning: 岩Rock 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 > イワキチ Japanese Boy Names Variations.