New York attorney record · Judicial Dept 2
Mary Ellen O'Sullivan
Thomas Cooley Law School alumna, admitted to the New York bar in 2009, registered office in Memphis, TN. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2009
- Admitted
- 17
- Years in bar
- 4639910
- NY reg #
The record in one line
Mary Ellen O'Sullivan has held an active New York bar license for 17 years - admitted in 2009, longer-tenured than 38% of the state's currently-active attorneys.
- 17 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #54 of 84
- by tenure in Memphis office peers
- Law school
- Thomas Cooley Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Mary Ellen O'Sullivan carries New York bar registration 4639910, an established, active practitioner in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Sedgwick Claims Management Services Inc., located in Memphis, TN, ZIP 38125. 1 other attorney shares this firm affiliation in the registry. Educational background: THOMAS COOLEY LAW SCHOOL (31 registered alumni).
State context & due diligence
With an established practice on record, Mary Ellen O'Sullivan remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Mary Ellen O'Sullivan was admitted in 2009, giving 17 years on the New York register.
17 years on the New York bar
Years since admission, all currently-active NY attorneys
17 Top 62% higher than 38% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. 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 · August 2026
Tenure among Memphis, TN office peers
Against Memphis, TN's 84-attorney NY register cohort, Mary Ellen O'Sullivan lands at the 63rd tenure percentile (rank #54). See the Memphis attorney directory .
- Local rank
- #54
- City cohort
- 84
- Local percentile
- 63rd
- Admitted
- 2009
Nearest tenure peers in Memphis
- Katherine Beasley Anderson admitted 2009 · 17 yr
- Noah Jordan Fried admitted 2009 · 17 yr
- Matthew Gary Gallagher admitted 2009 · 17 yr
- Blake Daniel Ballin admitted 2008 · 18 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 August 2026. Derived local rank, not published upstream.
Thomas Cooley Law School's active-bar rate
Of Thomas Cooley Law School's 31 alumni in the New York register, 80.6% currently hold "Currently registered" status, above the statewide average.
The 2009 admission class today
Of the 10,203 attorneys admitted to the New York bar in 2009, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4639910
- Year Admitted
- 2009 (17 yrs · senior)
- Judicial Department
- 2
- Next Registration
- Jun 2027
Location & Contact
- Company
- Sedgwick Claims Management Services Inc.
- City
- Memphis, TN
- ZIP Code
- 38125
- Phone
- (866) 686-0406
Education
Status Distribution Across the New York Bar
Mary Ellen O'Sullivan's current status, "Currently registered", places this attorney in 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: Sedgwick Claims Management Services Inc.
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Thomas Cooley Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2009 (excluding same-firm colleagues above).
Same admission year (2009), other cities
NY-registered attorneys admitted in 2009 whose listed office city differs from Memphis, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mary Ellen O'Sullivan: closest NY bar admission year outside TN, and closest out-of-state office cities by how many NY-registered attorneys they list (~85 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2009)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Memphis, TN
Compare credentials side-by-side
Compare Mary Ellen O'Sullivan with similar attorneys in Memphis.
Compare attorneys →Before you rely on this record
Mary Ellen O'Sullivan's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Mary O'Sullivan licensed?
Mary O'Sullivan is licensed to practice law in New York.
When was Mary Ellen O'Sullivan admitted to the bar?
Mary Ellen O'Sullivan was admitted to the bar in 2009.
Where did Mary Ellen O'Sullivan go to law school?
Mary Ellen O'Sullivan attended THOMAS COOLEY LAW SCHOOL.
What company does Mary Ellen O'Sullivan work for?
Mary Ellen O'Sullivan is associated with Sedgwick Claims Management Services Inc. in Memphis, TN.
Is Mary Ellen O'Sullivan in good standing?
Yes, Mary Ellen O'Sullivan holds active bar status ("Currently registered").
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.