Keelyn is a unisex name of Irish origin. It is pronounced as KEE-lin (/kiːlɪn/) in American English. The name has variations such as Keelan. In recent years, Keelyn has gained popularity in the United States for newborns. It ranked 9536th in 2021, with 10 occurrences, and has been steadily climbing the ranks since the early 1990s. Keelyn is a unique and modern choice for parents seeking a gender-neutral name with Irish roots.