Search gender: all male female Sugaichi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sugaichi Katakana: スガイチ 0 Kanji: 須賀一 Meaning: 須I need it. Waiting. For a short while. For a while. 賀Rejoice. Celebrate. 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 > Sugaichi Name Meaning, Kanji Variations.