Search gender: all male female Tadaoto Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tadaoto Katakana: タダオト 0 Kanji: 忠音 Meaning: 忠Sincerity. To serve with sincerity. Seriousness. To serve the state or sovereign with all one's heart. To work hard without bothering. 音Sound. Tone. Voice. News. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tadaoto Name Meaning, Kanji Variations.