Search gender: all male female Morisa Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: morisa Katakana: モリサ 0 Kanji: 森佐 Meaning: 森Forest. A place where many trees grow thickly. A grove of trees that surrounds a shrine. 佐Auxiliary. To help. To support and help by your side. To encourage. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Morisa Boy Name Meaning, Kanji Variations.