New York attorney record · Judicial Dept 3
William Thomas Henderson
Georgetown University alumna, admitted to the New York bar in 1986, registered office in N/A, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1986
- Admitted
- 40
- Years in bar
- 2066074
- NY reg #
The record in one line
William Thomas Henderson has spent 40 years on the register since admission in 1986, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 40 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #15 of 43
- by tenure in N/A office peers
- Law school
- Georgetown University
Data updated September 2026
What this profile tells you
Bar status & tenure
William Thomas Henderson has carried New York bar registration 2066074 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under N/A I Don'T Have A Business And Am Retired And Not Practicing Law, located in N/A, NY (Westchester County), ZIP 10580. Educational background: GEORGETOWN UNIVERSITY.
State context & due diligence
Across a career spanning 40 years, William Thomas Henderson has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
William Thomas Henderson's 40 years since a 1986 admission places this record near the far edge of the statewide tenure curve below.
40 years on the New York bar
Years since admission, all currently-active NY attorneys
40 Top 14% higher than 86% 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 · September 2026
Tenure among N/A, NY office peers
Within N/A, NY's 43-attorney local set, William Thomas Henderson is #15 by tenure, a small-cohort read, not a statewide claim.
- Local rank
- #15
- City cohort
- 43
- Local percentile
- 33rd
- Admitted
- 1986
Nearest tenure peers in N/A
- Risa Carol Doherty admitted 1987 · 39 yr
- Kenneth A. Kopelman admitted 1985 · 41 yr
- Karen Schwartz admitted 1987 · 39 yr
- Roseann J. Larosa admitted 1989 · 37 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 William compares to fellow Georgetown University alumni
Among the 1,583 Georgetown University graduates in the New York register, William Thomas Henderson is longer-tenured than 99%.
40 years vs. Georgetown University alumni
Years since admission - 1,583 NY-registered alumni of this school
40 Top 1% higher than 99% of 1,583 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 1986 admission class today
Of the 6,111 attorneys admitted to the New York bar in 1986, 57.1% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2066074
- Year Admitted
- 1986 (40 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Jun 2028
Location & Contact
- Company
- N/A I Don'T Have A Business And Am Retired And Not Practicing Law
- City
- N/A, NY
- County
- Westchester
- ZIP Code
- 10580
- Phone
- (914) 645-5572
Education
GEORGETOWN UNIVERSITY
Status Distribution Across the New York Bar
William Thomas Henderson'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.
Near-tenure Georgetown University alumni
Fellow alumni on the NY register whose admission year is closest to 1986 (excluding same-firm colleagues above).
Same admission year (1986), other cities
NY-registered attorneys admitted in 1986 whose listed office city differs from N/A, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Thomas Henderson: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~44 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1986)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
William Thomas Henderson'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 William Henderson licensed?
William Henderson is licensed to practice law in New York.
When was William Thomas Henderson admitted to the bar?
William Thomas Henderson's admission to the New York bar dates back to 1986.
Where did William Thomas Henderson go to law school?
William Thomas Henderson attended GEORGETOWN UNIVERSITY.
What company does William Thomas Henderson work for?
William Thomas Henderson is associated with N/A I Don'T Have A Business And Am Retired And Not Practicing Law in N/A, NY.
Is William Thomas Henderson in good standing?
Yes, William Thomas Henderson 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.