Isley is of Scottish origin, derived from the Gaelic word 'Iseabail', which means 'pledged to God'. It is a unisex name but is more commonly used for males in Scotland. The name Isley gained popularity in the United States during the late 20th century and has since become a unique choice among parents seeking distinctive names for their children.
The name Isley experienced a significant increase in popularity from the late 2010s to the early 2020s, with a notable peak of 21 births in 2016 and consistent high numbers thereafter, indicating it has become quite fashionable as a baby name. However, it's important to note that these statistics only reflect births registered under this specific spelling; slight variations could result in different trends for similar-sounding names like Islay or Izley.