Mckaylen is of Scottish origin, derived from the surname McKay, which is an Anglicized form of the Gaelic 'Mac Acha'. The name means 'son of Acha', where Acha refers to a person who is fair-haired or bright in appearance. Mckaylen is a unisex name that has gained popularity in recent years, particularly in English-speaking countries like the United States and Canada.
"Its uniqueness is evident by its debut year of 2009 with six births."