The name Madelyn is a feminine given name of English origin, derived from the Old French form Madeleine, which in turn comes from the ancient Aramaic name Magdalena. The earliest known use of the name dates back to the 12th century in England.

Magdalena was the name given to Mary Magdalene, a prominent figure in the New Testament of the Bible. She was a devoted follower of Jesus Christ and was present at his crucifixion and resurrection. The name Magdalena means "woman from Magdala," a town on the Sea of Galilee in ancient Israel.

The earliest recorded instance of the name Madelyn appears in the Domesday Book of 1086, a comprehensive record of landowners and properties in England commissioned by William the Conqueror. Here, the name is spelled "Maddalen."

One of the most famous historical figures with the name Madelyn was Madelyn Blossom, an English courtier and mistress of King Henry VIII in the 16th century. She was known for her beauty and wit, and was a prominent figure in the Tudor court.

Another notable Madelyn was Madelyn Cavendish, Duchess of Newcastle-upon-Tyne (1623-1673), an English aristocrat, writer, and philosopher. She was a prominent figure in the literary and scientific circles of her time and published numerous works on various subjects.

In the 19th century, Madelyn Fairfax (1828-1908) was an American author and activist who wrote extensively on women's rights and social issues. She was a prominent figure in the women's suffrage movement and worked tirelessly to promote equality and education for women.

Madelyn Renault (1900-1983) was a French actress and singer who rose to fame in the early 20th century. She was known for her roles in numerous films and stage productions, and her unique vocal style made her a popular cabaret performer in Paris.

Madelyn Kahn (1942-1999) was an American actress renowned for her comedic talents. She starred in numerous successful films, including Blazing Saddles, Young Frankenstein, and Clue, and was widely praised for her versatility and impeccable timing.