Kerilyn is a female name with American English pronunciation as KEH-rih-lin (/ˈkɛrɪlɪn/). It is derived from the name Keri, which is a variation of Kerry, and Lyn, which comes from the Welsh word for "lake." The name Kerilyn has a unique and modern sound. It has been used for baby girls in the United States since at least the 1960s, although it has fluctuated in popularity over the years. In recent decades, it has ranked anywhere from the top 5,000 to the top 15,000 most popular names for newborn girls in America. Despite its varying popularity, Kerilyn remains a charming and distinctive choice for parents seeking an uncommon yet beautiful name for their daughter.