List of Famous people who died at 51

Kara Anne Kennedy was a member of the American political family, the Kennedy family. She was the oldest of the three children and only daughter of U.S. Senator Ted Kennedy from Massachusetts and Joan Bennett Kennedy, and a niece of President John F. Kennedy and Senator Robert F. Kennedy. Kara Kennedy served on the boards of numerous charities and was a filmmaker and television producer. She died of a heart attack in 2011 at the age of 51.

Virgilio G. Enriquez, also known as Doc E, was a social psychologist and the Father of Filipino psychology "Ama ng Sikolohiyang Pilipino". He was born on November 24, 1942 at Santol, Balagtas formally Bigaa, Bulacan. He was the youngest of 5 children to Arsenio Libiran Enriquez and Rosario Galvez Gaspar. He is the founder of the Pambansang Samahan sa Sikolohiyang Pilipino,.

Barbara Boggs Sigmund was a daughter of the Democratic United States Representative Hale Boggs of Louisiana, and Lindy Boggs who became a Congresswoman from Louisiana after her husband Hale died in an air crash. Sigmund was a politician, writer, and civic leader.

Paul Couch was an Australian rules footballer who played for Geelong in the Australian Football League.

Paul Blake, better known as Frankie Paul, was a Jamaican dancehall reggae artist. Born blind, he has been dubbed by some 'The Jamaican Stevie Wonder'.

Susan Howlet Butcher was an American dog musher, noteworthy as the second woman to win the Iditarod Trail Sled Dog Race in 1986, the second four-time winner in 1990, and the first to win four out of five sequential years. She is commemorated in Alaska by the Susan Butcher Day.

Robert Bradley "Brad" James was an American professional wrestler, better known by his ring name, Brad Armstrong. He is best known for his appearances with the promotion World Championship Wrestling in the 1990s. He was the son of wrestler "Bullet Bob" Armstrong and brother to professional wrestlers Steve, Scott and Brian.

Brad McQuaid was an American video game designer who was the key designer of EverQuest, a highly successful massively multiplayer online role-playing game (MMORPG) released in 1999. He later co-founded Sigil Games Online where he served as CEO and Executive Producer of Vanguard: Saga of Heroes until Sony Online Entertainment's acquisition of Sigil Games Online in May 2007. On July 6, 2012, SOE announced the re-hiring of McQuaid to continue his work on Vanguard. On January 13, 2014, McQuaid announced his role of Chief Creative Officer at Visionary Realms, Inc. for the PC MMORPG, Pantheon: Rise of the Fallen.

Masahisa Takenaka was the short-lived 4th kumicho of the Yamaguchi-gumi, Japan's largest yakuza gang.

Caoilfhionn Shanley-Ferguson, also known as Keelin Shanley, was a journalist, newsreader and presenter with RTÉ, Ireland's national radio and television station, where she had presented the Six One News, alongside Caitríona Perry from January 2018 until her death in February 2020.