Marsha Linehan Obituary, Death: Pioneering Psychologist and Creator of DBT Reportedly Dies at 83

The psychology and mental health communities are mourning the reported passing of Dr. Marsha M. Linehan, the renowned American psychologist whose groundbreaking work transformed the treatment of borderline personality disorder and chronic suicidal behaviour.

According to the report provided, Linehan died on November 10, 2026, in Seattle, Washington, at the age of 83. Her reported death has prompted reflection on a career devoted to developing practical, evidence-based approaches to mental health treatment.

She was best known for creating Dialectical Behavior Therapy (DBT), a treatment approach that has helped people manage intense emotions, reduce self-harming behaviours and build more meaningful lives. Her work became influential among mental health professionals and researchers around the world.

Key Details

Who Was Dr. Marsha M. Linehan?

Dr. Marsha M. Linehan was an American psychologist recognised for her contributions to clinical psychology and the treatment of complex mental health conditions.

Her work focused particularly on people experiencing severe emotional distress, chronic suicidal thoughts and behaviours, and difficulties regulating emotions. Through her research and clinical practice, she helped develop treatment methods that combined behavioural strategies with acceptance and mindfulness principles.

Her contributions influenced how clinicians understand and treat borderline personality disorder.

Creating Dialectical Behavior Therapy

Linehan’s most widely recognised contribution was the development of Dialectical Behavior Therapy, commonly known as DBT.

DBT was designed to help people manage overwhelming emotions and develop practical skills for responding to distress. Its approach combines acceptance with behavioural change, helping individuals work toward healthier ways of coping.

The therapy teaches several core skills, including mindfulness, emotional regulation, distress tolerance and interpersonal effectiveness.

Over time, DBT became an important treatment option for people experiencing chronic suicidal behaviour, self-harm and other difficulties involving emotional regulation.

A Lasting Influence on Mental Health Treatment

Linehan’s work extended beyond the development of a single therapy. Her research helped shape clinical training, treatment programmes and conversations about how mental health professionals support people experiencing severe psychological distress.

Her contributions also encouraged greater attention to compassionate, structured care for individuals whose needs can be particularly challenging for traditional treatment approaches.

The influence of DBT continues through clinicians, researchers and treatment programmes that use its principles in different settings.

Remembering Her Legacy

The reported passing of Dr. Marsha M. Linehan represents a significant moment for the psychology and mental health communities.

Her work gave clinicians a structured approach to helping people navigate emotional pain and develop skills for building more stable lives. The continued use and study of DBT reflect the lasting importance of her contribution to mental health care.

Funeral and Memorial Arrangements

Further information about Linehan’s family, cause of death, funeral arrangements and memorial services has not been provided.

Additional obituary, memorial, and funeral details will be announced by the family when available.

Dr. Marsha M. Linehan will be remembered for her pioneering work in psychology and for developing Dialectical Behavior Therapy, which has influenced mental health treatment and clinical practice worldwide.