Child, Lydia Maria, 1802–80, American author and abolitionist, b. Lydia Maria Francis, Medford, Mass. She edited (1826–34) the Juvenile Miscellany, a childrens periodical. She and her husband (David Lee Child, whom she married in 1828) were devoted to the antislavery cause she wrote widely read pamphlets on the subject in addition to editing (1841–49) the National Anti-Slavery Standard, a New York City weekly newspaper. Selections from her Standard essays were published in 1999 as Letters from New-York. Other writings include several historical novels and a book on the history of religions. Her Frugal Housewife (1829) went through many editions.

See her letters (with introduction by J. G. Whittier, 1883, repr. 1970) biographies by H. G. Baer (1964), M. Meltzer (1965), W. S. Osborne (1980), D. P. Clifford (1992), and C. Karcher (1994).