Search gender: all male female Tadaie Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tadaie Katakana: タダイエ 0 Kanji: 忠家 Meaning: 忠Sincerity. To serve with sincerity. Seriousness. To serve the state or sovereign with all one's heart. To work hard without bothering. 家House. A dwelling. A group of blood relatives. A clan. A person who specializes in a certain field. A person who excels in one thing. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tadaie Boy Name Meaning, Kanji Variations.