Margaret Cecil, Countess of Salisbury

Margaret Cecil, Countess of Salisbury, formerly Lady Margaret Manners (d. c.1682), was the wife of James Cecil, 3rd Earl of Salisbury.

Margaret was a daughter of John Manners, 8th Earl of Rutland, and his wife formerly the Hon Frances Montagu. Three of Margaret's sisters, Frances, Elizabeth and Dorothy, became countesses. Another, Anne, became a Viscountess.

She married the future earl on 1 October 1661, seven years before he inherited his grandfather's earldom.

Their children, several of whom died in infancy, were:

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