Search gender: all male female マサヨシ Japanese Girl Names 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 Japanese Names By Kanji > マサヨシ Japanese Girl Names Variations.