Search gender: all male female Masayoshi Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: masayoshi Katakana: マサヨシ 2 Kanji: 昌功 Meaning: 昌Thriving. vigorous. Explicit. bright. good. beautiful. Splendid. Sunlight. 功Success. Credit. Results. Results of efforts. Work. Excellent work. Signs. ingenuity. Discipline. Skillfulness. Elaboration. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Masayoshi Girl Name Meaning, Kanji Variations.