Margaret is a feminine given name, which means "pearl". It is of Latin origin, via Ancient Greek and ultimately from Old Iranian. It has been an English name since the 11th century, and remained popular throughout the Middle Ages. It became less popular between the 16th and 18th century, but became more common again after this period, becoming the second-most popular female name in the United States in 1903. Since this time, it has become less common, but was still the ninth-most common name for women of all ages in the United States as of the 1990 census.
Margaret has many diminutive forms in many languages, including Daisy, Greta, Gretchen, Maggie, Madge, Maisie, Marge, Margie, Margo, Margot, Marnie, Meg, Megan, Molly, Peggy, and Rita.