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Mackenzie O'Donnell

Proven Verdicts
Boston, MA

About Mackenzie O'Donnell

Mackenzie A. O'Donnell is a Trial Attorney at Michael Kelly Injury Lawyers in Boston, focusing on personal injury and premises liability cases throughout Massachusetts.

O'Donnell earned her Juris Doctor from Suffolk University Law School. She is admitted to practice in Massachusetts.

She has secured substantial results for clients, including a $17.6 million judgment in a Franklin County Superior Court premises liability case involving negligent tree maintenance.

Proven verdicts and settlements

$17.6 million

A decayed tree from a neighbor's rental lot in Orange, Massachusetts fell on three women in August 2024, causing traumatic brain injuries and fractures; Franklin County Superior Court entered a $17.6 million judgment against the property owner in March 2026.

Franklin County Superior Court, MA · 2026Premises LiabilityRead the full story →
View 1 proven verdict →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Bar admissions & credentials

State Bar of Massachusetts

Other attorneys at Michael Kelly Injury Lawyers

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Proven verdicts and settlements from other Boston firms

Lubin & Meyer
Lubin & Meyer
$40 million · $40 Million Verdict for Family of Boy Left with Cerebral Palsy After Five-Hour Delivery Delay
Swartz & Swartz
Swartz & Swartz
$18.4 million · Federal Jury Awards $18.4 Million After Lahey Clinic Doctors Cancel HIV Test, Allowing AIDS to Develop
Sugarman & Sugarman
Sugarman & Sugarman
$30.55 million · $30.55 Million Verdict After Traveling Nurse Failed to Monitor Fetal Heart Rate at MGH
Thornton Law Firm
Thornton Law Firm
$300 million · $300 Million Settlement for Pension Funds Overcharged on Foreign Currency Trades
Breakstone, White & Gluck
Breakstone, White & Gluck
$56 million · $56 Million Verdict for Newburyport Man Left Amputee With Brain Injury After Amazon Van Crash