Margaret Ferrers, Countess of Derby

Margaret Peverell, Countess of Derby (b. circa 1114, Nottinghamshire, England), was an English noblewoman who lived at Tutbury Castle in Staffordshire, England.

Margaret was the daughter of William Peverel the Younger of Peveril Castle in Derbyshire

According to Burke's Dormant, Abeyant, Forfeited and Extinct Peerages, She married William de Ferrers, 3rd Earl of Derby and thus became Countess of Derby. She was the mother of Robert de Ferrers, 4th Earl of Derby and William De Ferrers, Lord of Eggington and a daughter, Petronella.{Burke's Dormant, Abeyant, Forfeited and Extinct Peerages}

She died in 1154 and was buried in Merevale Abbey.