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Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 29 May 2026 · methodology
Operator
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Population held
Mixed/unknown
Opened
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Region
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Security level
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Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
Derived signal — not a judgement. How it's calculated
What the score is responding to:
This facility scores 5. The national average across 7,437 scored United States facilities is 2 — 3 points above national average.
Same country, matched on type + security level where possible.
n death row longer than anyone in America. He’s one of many who have languished there for decades with severe mental illnesses. Raymond Riles, right, with Ronald O'Bryan at the Ellis Unit in Huntsville, Texas, in 1979. In that era, incarcerated people on death row could go to the exercise yard for three 90-minute periods a week. Bruce Jackson Raymond Riles arrived on Texas’s death row in 1976,
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). O. B. Ellis Unit. Retrieved July 21, 2026, from https://worldprisons.com/prisons/o-b-ellis-unit
"O. B. Ellis Unit." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/o-b-ellis-unit.
@misc{worldprisons-o-b-ellis-unit,
author = {{World Prisons}},
title = {O. B. Ellis Unit},
year = {2026},
url = {https://worldprisons.com/prisons/o-b-ellis-unit},
urldate = {2026-07-21}
}