Carilyn is a feminine name with English origins. It is pronounced as KAIR-uh-lin (/kɛərˈəlɪn/). It is a variation of the more common names Carolyn and Caroline. Carilyn has been used as a given name for baby girls in the United States since at least the 1930s. While it has not reached the highest ranks of popularity, it has consistently appeared on the charts over the years. The name Carilyn carries an air of elegance and sophistication, similar to its variations Carolyn and Caroline. It is a timeless choice for parents looking for a classic yet unique name for their daughter.