New York attorney record · Judicial Dept 1
Keith H. Williamson
Harvard Law School alumna, admitted to the New York bar in 1983, registered office in Saint Louis, MO. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1983
- Admitted
- 43
- Years in bar
- 1871177
- NY reg #
The record in one line
Keith H. Williamson has spent 43 years on the register since admission in 1983, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 43 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #19 of 212
- by tenure in Saint Louis office peers
- Law school
- Harvard Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Keith H. Williamson has carried New York bar registration 1871177 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Centene Corporation, located in Saint Louis, MO, ZIP 63105. 1 other attorney shares this firm affiliation in the registry. Educational background: Harvard Law School (16,712 registered alumni).
State context & due diligence
Across a career spanning 43 years, Keith H. Williamson 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
Keith H. Williamson's 43 years since a 1983 admission places this record near the far edge of the statewide tenure curve below.
43 years on the New York bar
Years since admission, all currently-active NY attorneys
43 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 Saint Louis, MO office peers
Most of the 212 NY-registered attorneys in Saint Louis, MO outrank Keith H. Williamson on tenure; this record sits at the 8th local percentile (rank #19). See the Saint Louis attorney directory .
- Local rank
- #19
- City cohort
- 212
- Local percentile
- 8th
- Admitted
- 1983
Nearest tenure peers in Saint Louis
- Philip Bamber Wright admitted 1983 · 43 yr
- Roberta R. Hitt admitted 1984 · 42 yr
- Abigail Tobie Kelman admitted 1982 · 44 yr
- Thomas Bartlett Kinsock admitted 1982 · 44 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 Keith compares to fellow Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, Keith H. Williamson is longer-tenured than 99%.
43 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
43 Top 1% higher than 99% of 8,724 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
Harvard Law School's active-bar rate
Of Harvard Law School's 16,712 alumni in the New York register, 63.6% currently hold "Currently registered" status, below the statewide average.
The 1983 admission class today
Of the 5,424 attorneys admitted to the New York bar in 1983, 67.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1871177
- Year Admitted
- 1983 (43 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- May 2027
Location & Contact
- Company
- Centene Corporation
- City
- Saint Louis, MO
- ZIP Code
- 63105
- Phone
- (314) 505-6539
Education
Status Distribution Across the New York Bar
Keith H. Williamson'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: Centene Corporation
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 Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1983 (excluding same-firm colleagues above).
Same admission year (1983), other cities
NY-registered attorneys admitted in 1983 whose listed office city differs from Saint Louis, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Keith H. Williamson: closest NY bar admission year outside MO, and closest out-of-state office cities by how many NY-registered attorneys they list (~213 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1983)
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 Saint Louis, MO
Compare credentials side-by-side
Compare Keith H. Williamson with similar attorneys in Saint Louis.
Compare attorneys →Before you rely on this record
Keith H. Williamson'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 Keith Williamson licensed?
Keith Williamson is licensed to practice law in New York.
When was Keith H. Williamson admitted to the bar?
Keith H. Williamson's admission to the New York bar dates back to 1983.
Where did Keith H. Williamson go to law school?
Keith H. Williamson attended Harvard Law School.
What company does Keith H. Williamson work for?
Keith H. Williamson is associated with Centene Corporation in Saint Louis, MO.
Is Keith H. Williamson in good standing?
Yes, Keith H. Williamson 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.