Cheryllynn is of American origin, derived from combining elements from Cheryl and Lynn. It gained popularity during the mid-20th century, often used as a feminine given name. Spelling variations include Cherylynn, Cherilyn, and Cheryl Lynn.
"Cherylynn saw peak popularity between 1958 and 1967 with consistently high birth numbers annually, reaching a maximum of 10 births in 1960. After the late 1960s, its usage declined significantly, with fewer than 10 births per year until it picked up slightly in the late 1970s and early 1980s."