Taizley is an American origin name created by Stephenie Meyer for her Twilight series character. Its exact meaning remains unclear, but some associate it with Welsh names like Taisaf ("peaceful" or "tranquil") or Scottish surnames such as Taylor ("tailor"). Despite its uncertain etymology, Taizley has gained popularity since its appearance in Twilight and is primarily used in English-speaking countries today. It's often associated with other similarly spelled names starting with 'T', like Taylor or Bailey.