October Term 1974 · Decided June 26, 1975

O'Connor v.
Donaldson

No. 74–8 · 422 U.S. 563 (1975) · Read the full case on Oyez ↗

The Holding

A unanimous Supreme Court ruled, 9–0, that the Due Process Clause forbids a state from confining a non-dangerous person who is capable of surviving safely in freedom, alone or with the help of willing family or friends. Mental illness by itself is not enough.

In plain terms

Kenneth Donaldson was committed to a Florida state psychiatric hospital in 1957 after his father said he was having paranoid thoughts. He was held there for nearly fifteen years. He was not dangerous. He was not getting meaningful treatment. He repeatedly asked to be released, and was refused. After he was finally released and sued, the Supreme Court ruled unanimously that what was done to him was unconstitutional. A state cannot lock up a non-dangerous person who could live safely on the outside, even if that person is mentally ill. This case is one of the foundations of modern civil commitment law and one of the reasons most state psychiatric hospitals look very different today than they did in 1957.

Section 01

The Question Presented

What was
at stake

In 1956, Kenneth Donaldson, age 48, traveled from Pennsylvania to Florida to visit his elderly parents. While there, he told his father he believed a neighbor back in Philadelphia might be poisoning his food. His father, alarmed, petitioned a Florida court for a sanity hearing. Donaldson was evaluated, diagnosed with paranoid schizophrenia, and committed to the Florida State Hospital at Chattahoochee in January 1957. He did not have a lawyer at his commitment hearing.

He was held in that hospital for nearly fifteen years. His ward had one staff doctor, an obstetrician, for more than a thousand male patients. There were no psychiatrists. There was no real treatment. Donaldson, a Christian Scientist, sometimes declined medication, but mostly no medication was offered. Friends and a halfway house in Minnesota repeatedly offered to take responsibility for him. The hospital refused to release him. Donaldson asked to leave. Many times. The hospital kept him.

In 1971, Donaldson filed suit under , alleging that the hospital's superintendent, Dr. J.B. O'Connor, had deprived him of his constitutional right to liberty. A jury agreed and awarded damages. The legal question for the Supreme Court was whether the Constitution permits the state to hold a non-dangerous person against his will in a psychiatric hospital, when he can survive safely in freedom and is not receiving meaningful treatment.

Section 02

The Bench

Who joined
which side

This case was unanimous. Justice Stewart wrote for all nine Justices. But Chief Justice Burger filed a separate concurrence to make clear that the Court was deciding a narrow question, not endorsing a broad right to treatment for committed patients. That distinction matters. The Fifth Circuit had ruled for Donaldson on a much broader theory, and the Supreme Court took pains to leave that theory undecided.

The Burger Court · Vote 9–0

Stewart
Author
Burger
Concurring
Douglas
Joined
Brennan
Joined
White
Joined
Marshall
Joined
Blackmun
Joined
Powell
Joined
Rehnquist
Joined
Unanimous (9)
Separate Concurrence
✦ Opinion author

Mere public intolerance or animosity cannot constitutionally justify the deprivation of a person's physical liberty.

Justice Stewart, for a unanimous Court

Section 03

The Reasoning

Two
positions

Although every Justice agreed on the result, the Court's opinion and the Chief Justice's concurrence emphasized different things. Stewart wrote a narrow ruling about liberty. Burger wrote separately to make clear what the Court was not deciding. Both opinions matter for how this case has been read for the past fifty years.

The Court (Stewart)

A diagnosis is not a ground for confinement. The state needs more than mental illness to lock anyone up.

  1. Civil commitment is a serious deprivation of liberty. Locking a person in a state psychiatric hospital is not a soft form of detention. It is the same loss of physical freedom that prisoners experience, often for longer periods and with less procedural protection. The Due Process Clause does not let the state impose that kind of deprivation lightly.
  2. "Mental illness" alone is not a justification. The Court emphasized that being labeled mentally ill is not enough to lock a person up. People who are unusual, odd, or socially unpopular may be uncomfortable to live near, but discomfort is not a constitutional ground for confinement. The same principle that prevents the state from incarcerating people for being eccentric prevents it from incarcerating the harmless mentally ill.
  3. The "survive safely in freedom" standard. The Court drew a line: a state cannot constitutionally confine a non-dangerous person who is capable of surviving safely in freedom, alone or with the help of willing and responsible family members or friends. That standard does not require the person to thrive; it requires only that the person be safe. If safe survival is possible, confinement is not.
  4. Even if the original commitment was valid, it cannot continue without ongoing justification. The Court was clear that a constitutional basis for the initial commitment does not give the state permission to hold someone forever. If the original ground disappears, the confinement must end. Donaldson had been held for fifteen years past the point where any continuing justification existed.
  5. The case is decided narrowly. Stewart did not say the Constitution guarantees treatment for committed patients. He did not say what counts as dangerousness. He did not address voluntary commitment, parens patriae commitment of those who truly cannot care for themselves, or any number of related questions. The Court resolved one specific case and left the rest for another day.
Chief Justice Burger, concurring

I agree with the result, but the Court is deciding a much narrower question than the lower court did. There is no constitutional right to treatment.

  1. The Court is not endorsing a "right to treatment." The Fifth Circuit had ruled that the Constitution requires the state to provide minimally adequate treatment to anyone it confines for treatment purposes. Burger thought that ruling went too far. The Supreme Court's opinion deliberately did not reach that question, and Burger wrote separately to make sure no one read the Court's opinion as quietly recognizing a treatment right.
  2. The historical basis for "right to treatment" is shaky. Burger argued that nothing in the Constitution's text, history, or earlier cases established a freestanding right to treatment. He worried that turning every civil commitment into a constitutional treatment dispute would put federal courts in the position of supervising state mental health systems on questions they were not equipped to answer.
  3. Donaldson refused treatment. Burger emphasized that Donaldson, as a Christian Scientist, had refused some of the treatment offered to him. That made it especially problematic to ground the holding on a right to treatment Donaldson did not want. The cleaner ground was simply that he was non-dangerous and capable of surviving in freedom, and the Court took that ground.
  4. What the state owes a committed patient remains an open question. Burger left the door open for further development of these issues but wanted to make clear they had not been decided. The right-to-treatment question would be revisited in later cases like Youngberg v. Romeo, which dealt with the rights of involuntarily committed people with intellectual disabilities.
Section 04

The Aftermath

What the
decision
set in
motion

This case did not cause deinstitutionalization on its own. The movement away from large state psychiatric hospitals had been building for two decades by 1975, driven by the introduction of antipsychotic medications, the community mental health movement, and exposes of conditions inside hospitals. But O'Connor v. Donaldson, together with related federal court cases of the era, accelerated the process by establishing that states could not hold people simply because they were ill. The constitutional door for warehousing had closed.

Why this case matters in modern practice

The state hospital census in the United States dropped from about 559,000 in 1955 to roughly 70,000 by the early 1990s.

The transformation was massive. The legal scaffolding that made it possible was built one case at a time. O'Connor v. Donaldson is the case that established the constitutional principle behind the change: a person with mental illness has a presumptive right to liberty, and the state must justify any confinement against a real standard. Hospitals could no longer hold people indefinitely because their families wanted them held, or because their behavior was inconvenient, or because no one had thought about discharge in a decade.

The picture is not a simple success story. Community-based services were supposed to replace the institutions, and in many places that replacement was underfunded or never built. People who would once have lived in state hospitals now live in homeless shelters, in jails, or in nursing homes that absorbed populations they were not designed to serve. The case did not create that gap, but it changed where the gap appears. Modern social work in mental health, criminal justice, and housing all sits downstream of this case.

Section 05

What the Court Did Not Decide

Read this
carefully

For a case widely understood as a sweeping pro-liberty ruling, O'Connor v. Donaldson is remarkably narrow on the page. The Court resolved one question and explicitly avoided a half-dozen others. The questions left open became the subject of later cases, and some of them are still being litigated today.

Common misreads to avoid

The holding is real but narrow. What the Court left open is at least as important.

  • The Court did not recognize a constitutional right to treatment. The Fifth Circuit had relied on a treatment-rights theory. The Supreme Court explicitly vacated that part of the lower court's opinion. Whether the state owes treatment to people it confines remained unresolved.
  • It did not define "dangerousness." The Court used the word repeatedly but did not say how dangerous a person must be, to whom, or based on what evidence. Later cases like Addington v. Texas began to fill in the procedural side, but the substantive standard varies by state to this day.
  • It did not address parens patriae commitment of people who cannot care for themselves. Stewart's "survive safely in freedom" standard included help from family or friends. The case did not decide what happens when a person is non-dangerous but genuinely incapable of self-care and has no support system. Modern "grave disability" commitment statutes operate in this space.
  • It did not address standards for initial commitment. Donaldson had been held for nearly fifteen years; the case focused on his continued confinement. The procedural rules for the initial decision to commit someone, including the standard of proof, would be addressed in Addington v. Texas four years later.
  • It did not address voluntary commitment. The case dealt only with involuntary holds. When a person consents to inpatient treatment, the constitutional analysis is different.
  • It did not protect anyone who is currently dangerous. The opinion is explicit that dangerousness, where it exists, justifies commitment. The case does not require states to release patients who pose a genuine threat to themselves or others.
Section 06

How It Got Here

The path
to SCOTUS

This case took nearly twenty years from commitment to Supreme Court ruling. Donaldson's confinement began in 1957 under a Florida commitment statute that was eventually repealed. The legal proceedings only began when he sued in 1971, after his release was already in motion. By the time the Supreme Court ruled in 1975, Donaldson had been free for three years.

January 1957 · Pinellas County, Florida
Donaldson committed to the Florida State Hospital
After his father petitions a Florida court, Kenneth Donaldson is evaluated, diagnosed with paranoid schizophrenia, and ordered into custodial care at the Florida State Hospital at Chattahoochee. He has no attorney at the hearing.
1957–1971 · Florida State Hospital
Nearly fifteen years of confinement without meaningful treatment
Donaldson is held on a ward with one doctor for over a thousand patients. He repeatedly asks to be released. Friends and a Minnesota halfway house make formal offers to take responsibility for him. The hospital refuses each offer. Donaldson is never determined to be dangerous and is never given the kind of treatment the commitment statute contemplated.
February 1971 · Federal District Court (N.D. Florida)
Donaldson files a §1983 suit
Donaldson sues Dr. O'Connor (the hospital superintendent) and other staff under 42 U.S.C. § 1983. The complaint alleges that they intentionally and maliciously deprived him of his constitutional right to liberty by confining him knowing he was not dangerous and not receiving treatment.
1972 · Florida State Hospital
Donaldson is finally released
Shortly after Dr. O'Connor retires from the superintendency, hospital staff move on their own initiative to have Donaldson restored to competency and released. He had been confined for nearly fifteen years.
1974 · Federal Trial and Fifth Circuit
Jury verdict for Donaldson, affirmed on broader grounds
After a four-day trial, a federal jury finds for Donaldson and awards $38,500, including $10,000 in punitive damages. On appeal, the Fifth Circuit affirms, but does so on the broader theory that the Constitution guarantees a right to treatment to anyone civilly committed.
June 26, 1975 · Supreme Court of the United States
SCOTUS affirms the verdict but on narrower grounds, 9–0
A unanimous Court agrees that Donaldson's confinement violated his constitutional right to liberty, but vacates the Fifth Circuit's broader right-to-treatment ruling. The Court holds only that a state cannot constitutionally confine a non-dangerous person who is capable of surviving safely in freedom. Chief Justice Burger writes a separate concurrence to underscore that no right to treatment is being recognized.
Section 07

For Practice

The social
work bridge

O'Connor v. Donaldson is the case that sits underneath every modern civil commitment decision. For MSW students headed into mental health practice, the case is not just history. It shapes the daily work of psychiatric hospital social workers, mobile crisis teams, ER assessment clinicians, and anyone who participates in commitment evaluations or testifies in commitment hearings. Three lenses help here.

Liberty Lens

The default is freedom, not commitment.

The constitutional starting point is that a person has a right to be at liberty. Commitment is the exception, not the baseline, and it requires affirmative justification. A worker recommending commitment is recommending the substantial deprivation of someone's freedom, and that recommendation should reflect the weight of the decision. "He needs help" is not by itself a basis for involuntary confinement. The legal threshold is higher, and the clinical assessment should match.

Dangerousness Lens

Mental illness and dangerousness are not the same thing.

The presence of a diagnosis is one piece of the picture. The legal question is whether the person presents a danger to themselves or others, or in many states is gravely disabled. Workers should document the specific behaviors, threats, recent acts, or incapacities that ground a dangerousness finding. Generalized worry about a client's wellbeing does not meet the threshold, and pretending otherwise puts both the client's liberty and the worker's credibility at risk.

Deinstitutionalization Lens

Liberty was protected. The replacement system was underbuilt.

Many of the clients social workers see in jails, shelters, ERs, and community programs are living with the consequences of a half-finished transition. The legal protection against unjustified commitment is real and important. The community infrastructure that was supposed to support people outside hospitals is, in many places, still missing. Effective practice requires holding both truths at once: liberty matters, and inadequate community care produces real harm. Advocating for better community services is part of the job.

Section 08

A Working Vocabulary

Legal
terms

This case is the doorway into civil commitment law. The vocabulary below appears in every commitment statute and every commitment hearing in the country.

Frequently Used in This Opinion
Civil commitment

The process by which a state confines a person to a psychiatric facility against their will for treatment, evaluation, or safety. Distinct from criminal incarceration. Governed by state statutes that must comply with the constitutional floor set by O'Connor and later cases.

42 U.S.C. § 1983

The federal civil rights statute that allows people to sue state and local government employees for violating their constitutional rights. The vehicle Donaldson used to bring his case.

Substantive due process

A constitutional doctrine that says the Due Process Clause protects certain fundamental rights from government interference, including physical liberty. The basis for the Court's ruling that Donaldson's confinement was unconstitutional.

Dangerousness standard

The legal requirement, rooted in O'Connor, that involuntary commitment requires more than a diagnosis. Most state statutes require a finding that the person is a danger to themselves, a danger to others, or in some states gravely disabled. Specific definitions vary by state.

Right to treatment

The theory that the Constitution requires the state to provide adequate mental health treatment to anyone it commits. The Fifth Circuit endorsed this theory in Donaldson; the Supreme Court explicitly vacated that part of the ruling without deciding whether such a right exists.

Deinstitutionalization

The decades-long policy shift away from large state psychiatric hospitals toward community-based mental health care. Driven by medication advances, the community mental health movement, and a series of court rulings including O'Connor v. Donaldson. The legal scaffolding for the shift was largely built between 1972 and 1982.