Born on Oct. 26, 1951, Margaret (Maggie) Roche was raised in Park Ridge, N.J. She and her sisters sang in Roman Catholic Church choirs, and she began composing melodies in the wake of getting a guitar for her birthday in 1964. She and Terre shaped a team, performing at first for Democratic Party finance raisers in New Jersey. They went to a songwriting workshop given by Paul Simon at New York University in 1970, and they sang agreement on his 1972 collection, “There Goes Rhymin’ Simon.”

Her sister, Suzzy Roche said in an announcement that the cause was bosom malignancy. She didn’t state where her sister died. Maggie was 65. The Roches were marked by Mr. Simon to a creation organization he had shaped for youthful artists, and he was likewise among the makers of Maggie and Terre Roche’s collection “Tempting Reasoning,” discharged by Columbia in 1975.

Suzzy Roche joined her sisters in 1976 and, as a trio, the Roches turned into a neighborhood sensation at clubs in Greenwich Village. One of their most loved numbers was a smart three-section amicability form of the “Glory be” tune from Handel’s “Savior.” Their presentation collection, “The Roches,” discharged in 1979, was created by Robert Fripp of the band King Crimson. It incorporated “The Married Men,” which was likewise later recorded by Phoebe Snow.

In spite of unobtrusive deals, the Roches held on, making collections for Warner Bros. also, later, MCA. Their melodies showed up in the soundtrack to the 1988 film “Crossing Delancey”. In 1991, their voices were characters in the Steven Spielberg enlivened arrangement “Minor Toons Adventures.”

The Roches had a Christmas collection, “We Three Kings,” in 1990, and a kids’ collection, “Will You Be My Friend,” in 1994. The trio disbanded after the arrival of “Would We be able to Go Home Now?” in 1995, yet Maggie and Suzzy Roche made collections as a pair in 2002 and 2004 and the Roches made a last trio collection, “Moonswept,” in 2007. Alongside her two sisters, Ms. Roche, who lived in New York City, is made due by her mom, Jude Roche; her sibling, Dave; her child, Ed McTeigue; and her accomplice, Michael McCarthy.