New York attorney record · Judicial Dept 3
Katherine Leigh Halliday
George Washington Univ. Law School alumna, admitted to the New York bar in 2009, registered office in Mclean, VA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2009
- Admitted
- 17
- Years in bar
- 4697223
- NY reg #
The record in one line
Katherine Leigh Halliday 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"
- #168 of 330
- by tenure in Mclean office peers
- Law school
- George Washington Univ. Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Katherine Leigh Halliday carries New York bar registration 4697223, an established, active practitioner 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 Freddie Mac, located in Mclean, VA, ZIP 22102. 5 other attorneys share this firm affiliation in the registry. Educational background: GEORGE WASHINGTON UNIV. LAW SCHOOL (69 registered alumni).
State context & due diligence
With an established practice on record, Katherine Leigh Halliday 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
Katherine Leigh Halliday 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 Mclean, VA office peers
Relative to the 330 NY-registered attorneys listing Mclean, VA, Katherine Leigh Halliday is longer-tenured than 51% (local rank #168). See the Mclean attorney directory .
- Local rank
- #168
- City cohort
- 330
- Local percentile
- 51st
- Admitted
- 2009
Nearest tenure peers in Mclean
- Ali Alavi admitted 2009 · 17 yr
- Rebecca L. Anderson admitted 2009 · 17 yr
- Kimberly Ann Finneran admitted 2009 · 17 yr
- Jordana Ilene Grodnitzky admitted 2009 · 17 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.
How Katherine compares to fellow George Washington Univ. Law School alumni
Among the 69 George Washington Univ. Law School graduates in the New York register, Katherine Leigh Halliday is longer-tenured than 48%.
17 years vs. George Washington Univ. Law School alumni
Years since admission - 69 NY-registered alumni of this school
17 Top 52% higher than 48% of 69 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 · August 2026
George Washington Univ. Law School's active-bar rate
Of George Washington Univ. Law School's 69 alumni in the New York register, 81.2% 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
- 4697223
- Year Admitted
- 2009 (17 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Dec 2027
Location & Contact
- Company
- Freddie Mac
- City
- Mclean, VA
- ZIP Code
- 22102
- Phone
- (919) 607-5581
Education
Status Distribution Across the New York Bar
Katherine Leigh Halliday'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: Freddie Mac
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure George Washington Univ. 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 Mclean, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Katherine Leigh Halliday: closest NY bar admission year outside VA, and closest out-of-state office cities by how many NY-registered attorneys they list (~331 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 Mclean, VA
Compare credentials side-by-side
Compare Katherine Leigh Halliday with similar attorneys in Mclean.
Compare attorneys →Before you rely on this record
Katherine Leigh Halliday'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 Katherine Halliday licensed?
Katherine Halliday is licensed to practice law in New York.
When was Katherine Leigh Halliday admitted to the bar?
Katherine Leigh Halliday was admitted to the bar in 2009.
Where did Katherine Leigh Halliday go to law school?
Katherine Leigh Halliday attended GEORGE WASHINGTON UNIV. LAW SCHOOL.
What company does Katherine Leigh Halliday work for?
Katherine Leigh Halliday is associated with Freddie Mac in Mclean, VA.
Is Katherine Leigh Halliday in good standing?
Yes, Katherine Leigh Halliday 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.