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Rosemary Kennedy

Rosemary Kennedy (born Rose Marie Kennedy) was the eldest daughter of Joseph P.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Rosemary Kennedy (born Rose Marie Kennedy) was the eldest daughter of Joseph P. Kennedy Sr. and Rose Fitzgerald Kennedy and a member of the prominent Kennedy family. Born in Brookline, Massachusetts, in 1918, she died in Fort Atkinson, Wisconsin, in 2005. Her life became widely known because of her intellectual disability and the lasting impact of a lobotomy performed in 1941.

Early life

Rosemary Kennedy was born on September 13, 1918, as Rose Marie Kennedy, at her parents' home in Brookline, Massachusetts. She was the third child and eldest daughter of Joseph P. Kennedy Sr. and Rose Fitzgerald Kennedy, and grew up as part of one of the most prominent families in the United States.

Disability and lobotomy

Accounts describe Rosemary Kennedy as having an intellectual disability from childhood. In 1941, at age 23, she underwent a lobotomy that severely damaged her ability to speak and walk, leaving her permanently disabled and unable to live independently.

Later life

After the operation, Rosemary Kennedy required lifelong care and spent many years in institutional settings. She remained largely out of public view. She died of natural causes on January 7, 2005, at age 86, in Fort Atkinson, Wisconsin. She is buried beside her parents in Holyhood Cemetery in Brookline, Massachusetts.

Legacy

Rosemary Kennedy's life has been the subject of books, articles, and documentaries. Her story is frequently cited in discussions of disability history and the treatment of people with developmental disabilities.

Key facts

  • She was the eldest daughter of the Kennedy family.
  • She was born at her parents' home in Brookline, Massachusetts.
  • She underwent a lobotomy in 1941 that left her permanently disabled.
  • After the operation, she required lifelong care.
  • She died in 2005 at age 86.

Frequently asked questions

Who was Rosemary Kennedy?
She was the eldest daughter of Joseph P. Kennedy Sr. and Rose Fitzgerald Kennedy and a member of the Kennedy political family.
When was Rosemary Kennedy born?
She was born on September 13, 1918, in Brookline, Massachusetts.
What happened to Rosemary Kennedy?
She underwent a lobotomy in 1941, after which she was left permanently disabled and needed lifelong care.
When did Rosemary Kennedy die?
She died on January 7, 2005, at age 86, in Fort Atkinson, Wisconsin.
Where is Rosemary Kennedy buried?
She is buried in Holyhood Cemetery in Brookline, Massachusetts, beside her parents.

References

  1. John F. Kennedy Presidential Library and Museum — https://www.jfklibrary.org/learn/about-jfk/the-kennedy-family/rosemary-kennedy
    Supports: Birth name, family relationship, death date, and family history context
  2. National Park Service — https://www.nps.gov/articles/000/rosemary-kennedy-the-eldest-kennedy-daughter.htm
    Supports: Birth details, death date, and burial location
  3. John F. Kennedy Presidential Library and Museum — https://www.jfklibrary.org/learn/about-jfk/the-kennedy-family/rosemary-kennedy
    Supports: Kennedy family context and public legacy
  4. Wikipedia — https://en.wikipedia.org/wiki/Rosemary_Kennedy
    Supports: Birth place, death place, lobotomy, and life summary
  5. NPR — https://www.npr.org/2015/10/03/445270446/a-hidden-but-quietly-influential-life-in-rosemary
    Supports: Discussion of intellectual disability and effects of the lobotomy
  6. HistoryExtra — https://www.historyextra.com/period/20th-century/rosemary-kennedy-jfk-sister-life-lobotomy-what-happened/
    Supports: Later-life impact of the lobotomy and institutional care