Etheline is a female name of English origin. It is pronounced as ETH-uh-leen (/ˈɛθ.ə.lin/). This name has variations such as Ethelyn. Etheline has been given to newborns in the United States since at least 1900, and it continues to be used today. While its popularity peaked in the early 20th century, it still remains a unique and charming choice for parents looking for a timeless and elegant name for their baby girl.