Search gender: all male female ハツロ Japanese Girl Names Variations. 1 names found. gender: all male female Name: hatsuro Katakana: ハツロ 0 Kanji: 初蕗 Meaning: 初For the first time 蕗Japanese butterbur (a kind of plant). You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ハツロ Japanese Girl Names Variations.