Sharon Kathleen Dugan, better known as “Big Kathy,” was the Irish-American matriarch whose life shaped the Hilton-Richards family. Born Kathleen Mary Dugan on April 17, 1938, in Omaha, Nebraska, to Edward James Dugan and Dorothy Ann Callahan, she became a casting director, social climber, and influential mother to Kathy Hilton, Kim Richards, and Kyle Richards, as well as grandmother to Paris and Nicky Hilton. Dying on March 2, 2002, at age 63 from breast cancer, Dugan’s legacy is marked by ambition, family drama, and cultural influence, immortalized in Jerry Oppenheimer’s 2006 exposé House of Hilton. As of 2025, her personal net worth remains modest (estimated under $1M), yet her impact on a multi-million-dollar dynasty is significant.
Early Life and Rise: From Omaha to Hollywood
Born in a working-class Irish-American family in Omaha, Sharon Kathleen Dugan grew up alongside siblings Edward Jr. and Donna Jean. Her parents instilled resilience, preparing her for life in Hollywood. In her teens, she moved to Los Angeles, reinventing herself as Sharon Kathleen, aiming for a career in entertainment.
Her first marriage was to Edward Avanzino in 1957, producing daughter Kathy Hilton (born 1959). Following their divorce, she married Monty Richards, giving birth to Kimberly Richards (Kim, 1964) and Kyle Richards (1969). Later unions included John Fenton in the 1970s and Jack Catain in the 1980s, with the latter marriage reportedly brief.
Sharon Kathleen Dugan Career: Casting Director and Social Climber
Dugan broke into Hollywood as a casting director, working on films like The Watcher in the Woods (1980). Guild rates of the era suggest earnings of $30K-$50K per year, supplemented by her socialite network. She used her influence to introduce her daughters to modeling and acting opportunities, setting the foundation for their future careers.

Milestones
| Milestone | Year | Impact |
|---|---|---|
| Birth in Omaha | 1938 | Working-class upbringing |
| First Marriage & Kathy’s Birth | 1957-1959 | Dynasty foundation |
| Casting Career Peak | 1970s-1980s | Hollywood entry, modest earnings |
| Breast Cancer Diagnosis | 2001 | Health struggle |
| Death | 2002 | Legacy begins to influence family |
Sharon Kathleen Dugan Family Dynamics and Marriages
Sharon Kathleen Dugan had three confirmed daughters: Kathy Hilton, Kim Richards, and Kyle Richards. She played a pivotal role in guiding their early careers while maintaining strict and sometimes controversial parenting methods. Her marriages were complex and often turbulent, with claims of prioritizing social climbing and securing financial stability.
Grandchildren, including Paris and Nicky Hilton, inherited not just wealth but the cultural legacy of Dugan’s ambitious upbringing. The family’s ongoing visibility in Real Housewives of Beverly Hills (RHOBH) highlights her enduring influence.
Controversies and Allegations
House of Hilton and various media sources allege that Dugan was a strict and sometimes harsh parent, including claims of emotional and physical abuse. Discussions on platforms like Reddit and X (formerly Twitter) recount stories of tough love, favoritism, and gold-digging behavior. While some defend her actions as reflective of the era’s parenting norms, others view them as contributing to her daughters’ struggles with perfectionism and addiction.
Her breast cancer diagnosis in 2001 was kept private, and she passed away at home surrounded by family on March 2, 2002.
Cultural Impact and Legacy
Dugan’s influence is most evident through her family. Kathy Hilton’s $350M empire, along with the success of Kim and Kyle on RHOBH, reflects Dugan’s role in shaping ambition and resilience. Granddaughter Paris Hilton’s fame further underscores her indirect impact. Oppenheimer’s 2006 book and ongoing discussions in podcasts and RHOBH episodes maintain public interest in her life and influence.
Despite a modest personal net worth (estimated $500K-$1M), her legacy in shaping a family dynasty is significant. Her story continues to influence reality TV narratives, family biographies, and cultural discussions around Hollywood families.
FAQs: Sharon Kathleen Dugan
- Who was Sharon Kathleen Dugan?
Mother of Kathy Hilton, Kim Richards, and Kyle Richards; casting director; died in 2002. - What is her family tree?
Daughters: Kathy, Kim, Kyle; Grandchildren include Paris and Nicky Hilton. - Were there controversies?
Allegations of strict parenting, emotional and physical abuse, and gold-digging claims are reported in House of Hilton and media discussions. - How did she die?
Breast cancer on March 2, 2002, aged 63. - What was her career?
Casting director in Hollywood during the 1970s-1980s. - Why is she relevant in 2025?
Her legacy continues through RHOBH storylines and family public profiles.
Conclusion: The Unyielding Force Behind a Dynasty
Sharon Kathleen Dugan’s life—from Omaha roots to Hollywood influence—shaped one of the most famous American families. Her ambition, controversies, and parenting style forged a dynasty that continues to captivate audiences. Beyond her modest net worth, her true legacy lies in the family she raised and the cultural imprint she left on Hollywood and reality television.











