← Browse more names Sisu 💡 Meaning Willpower 🌍 Origin Finnish 🚼 Gender Boy ✨ Quick facts Syllables2 LengthShort Numerology5 PatternC·V·C·V 🔄 Related names Variants SigStuSusi 🔎 More names like Sisu EinoJaloOivaOnnieTaistoTapaniToivoUkkoUrhoUskoVeliVieno