Search gender: all male female Iwahisa Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: iwahisa Katakana: イワヒサ 0 Kanji: 岩寿 Meaning: 岩Rock 寿Long life. Life. Age. Celebration. Celebration of long life. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Iwahisa Boy Name Meaning, Kanji Variations.