Elizabeth Morris "Lally" Graham Weymouth (born 3 July 1943) is an American journalist who serves as Senior Associate Editor of the Washington Post. She previously served as Special Diplomatic Correspondent of Newsweek magazine, during her family's ownership of the publication.
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She is the only daughter of Katharine Graham and Philip Graham, both of whom were publishers of the Post. She attended The Madeira School and Radcliffe College. She is the sister of Donald Graham, the Washington Post Company's chief executive officer, and the mother of Katharine Weymouth, the newspaper's publisher. The company owned Newsweek from 1961 - 2010.
Lally Weymouth graduated from Radcliffe College at Harvard University with a degree in American History and Literature.
From 1968 to 1969, Weymouth worked for Senator Robert F. Kennedy at the Bedford Stuyvesant Restoration Corporation.[clarification needed (RFK died in 1968)]
Weymouth edited and compiled Thomas Jefferson: The Man, His World, His Influence (1973, G.P. Putnam), a collection which includes contributions from leading Jeffersonian scholars. She is the author of America in 1876, The Way We Were (1976, Random House). She worked as a freelance journalist and contributing editor from 1977 to 1983 for such publications as New York magazine, The New York Times Magazine, Esquire, Atlantic Monthly, and Parade. From 1983 to 1986 she was a contributing editor for the Los Angeles Times.