Hylan is a distinctively American given name, deriving from the Welsh 'Huw' meaning 'hawk'. It has been most prevalent as a surname, but it has appeared occasionally as a first name in the United States since the mid-20th century.
"The name Hylan experienced a significant gap in popularity from the 1920s to the late 20th century, with no recorded births between 1927 and 2012. Since then, it has seen varying degrees of usage, with peaks in recent years, notably in 2016 and 2022."