Who Is Kathleen Cavendish, Marchioness of Hartington? Age, Biography and Wiki
Born on February 20, 1920, Kathleen Cavendish, Marchioness of Hartington, is remembered as a prominent American socialite and the sister of John F. Kennedy. Her life, although tragically cut short in 1948, left an enduring legacy, particularly given her connections to the influential Kennedy family. As of 2025, Kathleen would be celebrating her 105th birthday, making her a historical figure worth exploring for her contributions to society and her role within one of America’s most famous families.
| Occupation | Queen |
|---|---|
| Date of Birth | February 20, 1920 |
| Age | 28 Years |
| Birth Place | Brookline, Massachusetts, U.S. |
| Horoscope | Pisces |
| Country | France |
| Date of death | 13 May, 1948 |
| Died Place | Saint-Bauzile, Ardèche, France |
Popularity
Kathleen Cavendish, Marchioness of Hartington's Popularity over time
Height, Weight & Measurements
Although specific height and weight statistics for Kathleen Cavendish are not widely documented, she was known for her elegance and grace—qualities that made her a standout in social circles. In modern discussions around body stats, it’s essential to celebrate not just physical attributes but also the personal style and poise that define a woman of her stature.
Family, Dating & Relationship Status
Kathleen was born into the prominent Fitzgerald family, with her brother, John F. Kennedy, becoming the 35th President of the United States. In 1944, she married William Cavendish, the 10th Duke of Devonshire. Their relationship was marked by mutual admiration, and they were a fashionable couple of their time. Tragically, Kathleen's life ended in a plane crash in 1948, leaving behind a legacy of strength and charm in her brief life. She remains a compelling figure in discussions surrounding the Kennedy family.
Kathleen Agnes Cavendish, Marchioness of Hartington (Kennedy; February 20, 1920 – May 13, 1948), also known as "Kick" Kennedy, was an American socialite. She was the second daughter of Joseph P. Kennedy Sr. and Rose Fitzgerald, a sister of U.S. President John F. Kennedy and Senators Robert F.
Kennedy and Ted Kennedy, and the wife of the Marquess of Hartington, heir apparent to the 10th Duke of Devonshire.
Net Worth and Salary
During her lifetime, Kathleen Cavendish enjoyed the privileges that came with being part of an affluent family, with a net worth estimated in the millions by current standards. However, given her passing in 1948, estimates on her earnings today remain speculative, reflecting more on her family's wealth than her direct financial contributions.
Career, Business and Investments
Kathleen's career primarily revolved around her roles in social settings and charitable organizations. Engaged in various philanthropic efforts, she utilized her status to promote causes close to her heart. Notably, she was a passionate supporter of the arts and health care initiatives. Though she did not pursue a traditional business career, her influence in social circles often translated into significant donations and support for numerous charities.
Social Network
Kathleen was well-connected, not just within American society but across Europe, often mingling with high-profile figures of her era. Through her marriage, she became part of British aristocracy, allowing her to expand her social network significantly. Though her life was brief, her relationships with notable personalities contributed to her historical significance.
The Kennedy Debutante, a novelization of Kennedy's life, was published by Berkley Books in 2018. Written by Kerri Maher, it was well received, including being named a "Best Book of the Week" by the New York Post.
Education
While specific details of Kathleen Cavendish’s educational background remain sparse, she is believed to have received a thorough education, common among women of her social standing at the time. Her upbringing in a prominent family laid the foundation for her involvement in social causes and elite gatherings later in life.
After returning to the U.S., Kennedy enrolled at the Finch School for a time, and then attended Florida Commercial College. In addition to her studies, she also began volunteering work for the American Red Cross.
In 1941, she decided to leave school, and began working as a research assistant for Frank Waldrop, the executive editor for the Washington Times-Herald. She later teamed with Inga Arvad, who wrote the "Did You Happen to See....." column, and was eventually given her own column where she reviewed films and plays.
