Search gender: all male female シゲモリ Japanese Boy Names Variations. 21 names found. gender: all male female Name: shigemori Katakana: シゲモリ 0 Kanji: 繁盛 Meaning: 繁Things will flourish. 盛Prosperity. flourish. To be vigorous. To pile up high. To put in a vessel. You can save your favorite names with prev12 NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > シゲモリ Japanese Boy Names Variations.