Lydia is Greek and means "woman from Lydia", an ancient kingdom in western Asia Minor famous for its wealth and for minting the first coins. In the New Testament, Lydia of Thyatira, a seller of purple cloth, becomes the first Christian convert in Europe. In the United States Lydia ranked number 147 in 2000, has been a top 100 name since 2011 and sits at number 92 in 2025, close to its peak of number 80 in 2015.