Search gender: all male female Toitsu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: toitsu Katakana: トウイツ 0 Kanji: 東一 Meaning: 東East. East direction. The countries and regions east of the capital. Spring in the Five Elements theory. 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Toitsu Name Meaning, Kanji Variations.