New York attorney record · Judicial Dept 3
Mary Elizabeth O'Neill
American University alumna, admitted to the New York bar in 2006, registered office in Chicago, IL. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2006
- Admitted
- 20
- Years in bar
- 4376778
- NY reg #
The record in one line
Mary Elizabeth O'Neill carries a "Suspended, delinquent" status on the New York bar register, on record since 2006 - confirm the exact standing and any discipline history directly with the state bar before engaging.
- 20 yrs
- since first admission to the bar
- Suspended
- current bar status: "Suspended, delinquent"
- #729 of 2,245
- by tenure in Chicago office peers
- Law school
- American University
Data updated September 2026
What this profile tells you
Bar status & tenure
Mary Elizabeth O'Neill is registered as bar number 4376778 with the New York bar authority, carrying a current status of "Suspended, delinquent", suspended or delinquent, verify terms with the bar before engaging. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Jones Day, located in Chicago, IL, ZIP 60601. 5 other attorneys share this firm affiliation in the registry. Educational background: AMERICAN UNIVERSITY.
State context & due diligence
A "Suspended, delinquent" status falls outside the New York bar's active cohort. The breakdown below shows what share of the register that represents, and how to verify current standing directly with the state bar.
Tenure among Chicago, IL office peers
Mary Elizabeth O'Neill is earlier in the Chicago, IL office cohort than most peers: local tenure rank #729 of 2,245 (32nd percentile). See the Chicago attorney directory .
- Local rank
- #729
- City cohort
- 2,245
- Local percentile
- 32nd
- Admitted
- 2006
Nearest tenure peers in Chicago
- Samantha G. Amdursky admitted 2006 · 20 yr
- Uma Malati Amuluru admitted 2006 · 20 yr
- Jeffrey Douglas Bacon admitted 2006 · 20 yr
- Emilie Mirah Beavers admitted 2006 · 20 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of September 2026. Derived local rank, not published upstream.
How Mary compares to fellow American University alumni
Among the 638 American University graduates in the New York register, Mary Elizabeth O'Neill is longer-tenured than 39%.
20 years vs. American University alumni
Years since admission - 638 NY-registered alumni of this school
20 Top 61% higher than 39% of 638 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
The 2006 admission class today
Of the 8,638 attorneys admitted to the New York bar in 2006, 66.6% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Suspended, delinquent
- Registration Number
- 4376778
- Year Admitted
- 2006 (20 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Dec 2026
Location & Contact
- Company
- Jones Day
- City
- Chicago, IL
- ZIP Code
- 60601
- Phone
- (312) 269-4159
Education
AMERICAN UNIVERSITY
Status Distribution Across the New York Bar
Mary Elizabeth O'Neill's current status, "Suspended, delinquent", places this record outside the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Jones Day
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure American University alumni
Fellow alumni on the NY register whose admission year is closest to 2006 (excluding same-firm colleagues above).
Same admission year (2006), other cities
NY-registered attorneys admitted in 2006 whose listed office city differs from Chicago, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mary Elizabeth O'Neill: closest NY bar admission year outside IL, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,246 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2006)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare Mary Elizabeth O'Neill with similar attorneys in Chicago.
Compare attorneys →Before you rely on this record
Mary Elizabeth O'Neill carries a "Suspended, delinquent" status. Verify the exact scope and dates of this action directly with the state bar before acting on it.
Frequently Asked Questions
Where is Mary O'Neill licensed?
Mary O'Neill is licensed to practice law in New York.
When was Mary Elizabeth O'Neill admitted to the bar?
Mary Elizabeth O'Neill was admitted to the bar in 2006.
Where did Mary Elizabeth O'Neill go to law school?
Mary Elizabeth O'Neill attended AMERICAN UNIVERSITY.
What company does Mary Elizabeth O'Neill work for?
Mary Elizabeth O'Neill is associated with Jones Day in Chicago, IL.
Is Mary Elizabeth O'Neill in good standing?
No, Mary Elizabeth O'Neill carries a "Suspended, delinquent" status, not active standing. Confirm the exact scope directly with the state bar before engaging.
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.