The name Sherilyn is a combination of two names, Sheryl and Lyn. It is an English name that originated in the 20th century, likely as a blend of these two existing names.

Sheryl is derived from the Old English name Sceril, which means "bright" or "fair." It was originally a masculine name but later became popular as a feminine name in the 20th century.

Lyn, on the other hand, is a shortened form of the name Linda or Lynda, which has its roots in the German name Lindelind, meaning "pretty" or "gentle." Lyn is also sometimes used as a diminutive form of names like Carolyn or Gwendolyn.

While the name Sherilyn does not have a long historical lineage, it has been used as a first name for women since the mid-20th century. One of the earliest recorded instances of the name was Sherilyn Fenn, an American actress born in 1965.

Another notable bearer of the name was Sherilyn Wolff, an American actress and singer born in 1944. She is best known for her role as Nurse Bianco in the 1970s television series Cagney & Lacey.

Sherilyn Connelly, born in 1976, is an American actress and model who has appeared in several television shows and films, including The Prince and the Pauper and The Big Tease.

Sherilyn Van Valkenburgh, born in 1956, is a former American tennis player who won several Grand Slam doubles titles in the 1970s and 1980s.

Sherilyn Dillman, born in 1942, is an American actress and writer who has appeared in numerous television shows and films throughout her career, including The Waltons and The Poseidon Adventure.

While not an exhaustive list, these are some of the notable individuals who have borne the name Sherilyn throughout history.