New York attorney record · Judicial Dept 2
Brian Eugene Hennessey
University Of California-Hastings alumna, admitted to the New York bar in 2007, registered office in Tarrytown, NY. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4358735
- NY reg #
The record in one line
Brian Eugene Hennessey has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #245 of 403
- by tenure in Tarrytown office peers
- Law school
- University Of California-Hastings
Data updated August 2026
What this profile tells you
Bar status & tenure
Brian Eugene Hennessey carries New York bar registration 4358735, 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 Liang & Hennessey LLP, located in Tarrytown, NY (Westchester County), ZIP 10591. 1 other attorney shares this firm affiliation in the registry. Educational background: UNIVERSITY OF CALIFORNIA-HASTINGS.
State context & due diligence
With an established practice on record, Brian Eugene Hennessey 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
Brian Eugene Hennessey was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 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 Tarrytown, NY office peers
Relative to the 403 NY-registered attorneys listing Tarrytown, NY, Brian Eugene Hennessey is longer-tenured than 61% (local rank #245). See the Tarrytown attorney directory .
- Local rank
- #245
- City cohort
- 403
- Local percentile
- 61st
- Admitted
- 2007
Nearest tenure peers in Tarrytown
- Meredith Anne Coleman Challender admitted 2007 · 19 yr
- Adam Richard Dolan admitted 2007 · 19 yr
- Jennifer Paige Krakowsky admitted 2007 · 19 yr
- Dana Lau admitted 2007 · 19 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.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4358735
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 2
- Next Registration
- Apr 2027
Location & Contact
- Company
- Liang & Hennessey LLP
- City
- Tarrytown, NY
- County
- Westchester
- ZIP Code
- 10591
- Phone
- (646) 461-1390
Education
UNIVERSITY OF CALIFORNIA-HASTINGS
Status Distribution Across the New York Bar
Brian Eugene Hennessey'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: Liang & Hennessey LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Tarrytown, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Brian Eugene Hennessey: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~404 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
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 Tarrytown, NY
Compare credentials side-by-side
Compare Brian Eugene Hennessey with similar attorneys in Tarrytown.
Compare attorneys →Before you rely on this record
Brian Eugene Hennessey'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 Brian Hennessey licensed?
Brian Hennessey is licensed to practice law in New York.
When was Brian Eugene Hennessey admitted to the bar?
Brian Eugene Hennessey was admitted to the bar in 2007.
Where did Brian Eugene Hennessey go to law school?
Brian Eugene Hennessey attended UNIVERSITY OF CALIFORNIA-HASTINGS.
What company does Brian Eugene Hennessey work for?
Brian Eugene Hennessey is associated with Liang & Hennessey LLP in Tarrytown, NY.
Is Brian Eugene Hennessey in good standing?
Yes, Brian Eugene Hennessey 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.