AttorneyWilliam Sean O'Neil
WO

William Sean O'Neil

W. Sean O'Neil, Attorney at Law

Houston, TX · Harris County · 24 years licensed

Cases
21
Licensed
24 yrs

William Sean O'Neil has been licensed in Texas since Jan 2002 — 24 years — and has filed under this bar number in 21 cases since 2017, four in five of them in Harris County courts. The docket is civil (other): 17 of 21 filings, with personal injury and debt & contracts behind it. No board certifications, no disciplinary history, and no client reviews yet.

Case type by yearCourt-record case types
Personal Inj (Non-Auto)Personal Inj (Non-Auto)Other CivilOther CivilDebt/Contract - Debt/ContractDebt/Contract - Debt/ContractHomeowners AssociationHomeowners AssociationInjury/Damage: Other Injury or…Injury/Damage: Other Injury or DamageMandamusMandamusMotor Vehicle AccidentMotor Vehicle AccidentPetition for Writ of MandamusPetition for Writ of MandamusTax SuitTax Suit’17’18’19’20’21’22’23’24’25’26
Cases filed by year2026 is a partial year
35’17’18’19’20’21’22’23’24’25’26

Showing filings under this bar number from 2017 to present in the county court records Referlex has imported; the last column is a partial year.

Courts appeared in most21 cases · 16 courts

Cases are grouped by the court a filing names; appellate courts group together, not under the county a case came from.

Client reviewsNone yet

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Last refreshed Oct 2026