She edited ‘Alice Doesn’t Live Here Anymore’ in 1975 and in 1976 she supervised the editing of ‘Taxi Driver’ for Martin Scorsese along with Tom Rolf and Melvin Shapiro. In 1977, she edited ‘Star Wars: Episode IV- A New Hope’. According to her biography, she later went on to edit a few more movies like ‘Filmmaker’ in 1968, ‘The New Cinema’ in 1968, ‘The Rain People’ in 1969, ‘THX 1138’ in 1971, ‘The Candidate’ in 1972, ‘New York, New York’ in 1977, and ‘More American Graffiti’ in 1979.

‘American Graffiti’ was the first movie for which she was nominated for the Oscars, and it was directed by her ‘then’ husband George Lucas. She was nominated for the ‘BAFTA Award for Best Editing’ along with her partners for their work in ‘Taxi Driver’. In 1977, she won the ‘Oscar Award for Best Film Editing’ along with her partners Paul Hirsch and Richard Chew. They also won the ‘Saturn Award for Best Editing’ during the same year. However, she was not credited for her work in the 1980 movie ‘Star Wars: Episode V- The Empire Strikes Back’. It is highly astonishing to note that a woman in the seventies being nominated for the Academy Awards for a technical element of a movie is unheard of, truly breaks the gender barrier. The last film for she worked magic was being the producer of the movie titled ‘No Easy Way’ in 1996.

Lucas was also interviewed for books like ‘Easy Riders’, ‘Raging Bulls: How The Sex, Drugs and Rock ‘N’ Roll Generation Saved Hollywood’. Her contributions towards the Star Wars franchise has been mentioned by Mark Hamill. John Milius had stated that Lucas was one of the best editors’ in his contact list. He also stated that her work for George Lucas, and for other legendary actors like Steven Spielberg and Scorsese were exemplary. At one juncture, people used to refer to Marcia Lucas as George Lucas’ ‘secret weapon.

Lucas’ net worth has been estimated to be around 4.5 billion US dollars as of February 2016. However, there is no record of the salary she has received for her excellent work. Marcia Lucas was married to George M. Cooper from March 1963. However, they were divorced a few years later. She married George Lucas in 1969 and their married last through until 1983 when they split up. The couple had adopted a daughter named Amanda. In 1983, Lucas got married for the third time to Tom Rodrigues. They had three children together. They took divorce in the year 1993.