Search gender: all male female 牟 Japanese Names Variations. 1 names found. gender: all male female Name: kokushibo Katakana: コクシボウ 2 Kanji: 黒死牟 Meaning: 黒Black. Dark. Bad things. Guilty. 死Death. Die. Risking one's life. To be prepared to die. cease to be active. to become useless. 牟Crying Cow You can save your favorite names with NazukePON > About Japanese Names > Search Japanese Names By Kanji > 牟 Japanese Names Variations.