Scarleth is a spelling of Scarlett that is popular in Spanish-speaking families, especially from Central America, where the final -th echoes names like Elizabeth. Scarlett itself is an English surname for a dealer in "scarlet", the bright red cloth, and became a first name through Scarlett O'Hara in Gone with the Wind. In the United States Scarleth has moved from number 4,836 in 2015 to number 3,007 in 2024 and number 2,684 in 2025, its best position yet.