Written by Kathy Wheatley on
 December 15, 2024

Conan O'Brien's Parents Pass Away Days Apart

In a poignant span of just three days, Conan O'Brien's elderly parents each passed away, leaving a profound impact on their family and community.

Dr. Thomas O’Brien and Ruth Reardon O'Brien, the parents of comedian Conan O'Brien, died within three days of each other in Brookline, Massachusetts, The Hollywood Reporter reported.

Dr. Thomas O'Brien aged 95, died first on a Monday. His death was due to a long period of declining health. The Boston Globe remarked that "his health had been failing," underscoring the gradual nature of his deterioration.

Renowned Medical Career of Thomas O'Brien

Born on January 28, 1929, in Worcester, Massachusetts, Thomas went on to graduate cum laude from Harvard Medical School in 1954 under a full scholarship. His commitment to medicine spanned over six decades, notably in research on antimicrobial drug resistance.

Thomas was the inaugural director of the infectious diseases division at what is now Brigham and Women’s Hospital. Furthermore, he held a position as an associate professor at Harvard Medical School, contributing significantly to medical education and research.

Lifelong Achievements of Ruth O'Brien

Ruth Reardon O'Brien, also from Worcester, Massachusetts, was born on December 16, 1931. With a prominent career as a trailblazing attorney, she graduated from Yale Law School in 1957, remarkable for being one of just four women in her class.

After serving as a law clerk for Chief Justice Raymond Wilkins of the Massachusetts Supreme Judicial Court, Ruth made a notable mark in real estate law. She joined the Boston-based Ropes & Gray law firm, and by 1978, she became the second woman ever to be named a partner at the firm.

Personal Life and Legacy of the O’Briens

The couple, united in marriage in 1958 after being introduced by Ruth's brothers, shared a profound commitment not only to their careers but also to their family. Thomas and Ruth had six children, among them comedian Conan O'Brien, and were also blessed with nine grandchildren.

Ruth's death followed shortly on the subsequent Thursday at their shared home in Brookline, closing a lifelong chapter of mutual love and dedication that extended into their professional lives and personal beliefs.

Reflecting on his father, Conan shared heartfelt sentiments: stating that Thomas "was often the funniest guy in the room" with a laughter that "would make his whole body convulse." He affectionately noted that his father "had a voracious appetite for ideas and people and the crazy variety and irony of life," which encapsulates the vibrancy with which Thomas lived.

Impacting Future Generations

The loss of both parents in such quick succession has undoubtedly left a void in the O’Brien family, yet their legacies endure through their significant contributions to their respective fields. Their story reflects both their characters and their synergetic partnership.

Thomas and Ruth left behind a substantial legacy, not just in their professional fields but also as parents and influencers in their community. Their memory continues to inspire both those who knew them and the many more who will learn of their deeds.

The O’Brien family, including Conan and his siblings, Justin, Neal, Luke, Kate, and Jane, and their nine grandchildren, will continue to honor the memory and values of Thomas and Ruth O'Brien. Their contributions to medicine, law, and their community will be remembered for years to come.

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About Kathy Wheatley

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