Search gender: all male female ナガイチ Japanese Boy Names Variations. 1 names found. gender: all male female Name: nagaichi Katakana: ナガイチ 0 Kanji: 永一 Meaning: 永Long. Far. Far away. Long in time or distance. Long time. Forever. endlessly. To continue for a long time. 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 Japanese Names By Kanji > ナガイチ Japanese Boy Names Variations.