Kayline is a popular name for baby girls with English origins. It is pronounced as KAY-lin (/keɪ.lɪn/). Variations of the name include Kailyn and Kaylyn. Despite being a relatively unique name, Kayline has been steadily increasing in popularity in recent years in the United States. According to data for newborns in the US, it ranked 12,864th in 2016 and 12,997th in 2015. The name has gained recognition and acceptance among parents looking for a modern and distinctive choice for their daughters.