New York attorney record · Judicial Dept 3
Mark Chaney Coulson
Vanderbilt University alumna, admitted to the New York bar in 2013, registered office in Pittsburgh, PA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2013
- Admitted
- 13
- Years in bar
- 5178793
- NY reg #
The record in one line
Admitted in 2013, Mark Chaney Coulson has built 13 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 13 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #233 of 366
- by tenure in Pittsburgh office peers
- Law school
- Vanderbilt University
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5178793 on the New York register belongs to Mark Chaney Coulson, currently in active 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 Williams Coulson LLC, located in Pittsburgh, PA, ZIP 15222. Educational background: VANDERBILT UNIVERSITY (342 registered alumni).
State context & due diligence
Mark Chaney Coulson is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
13 years into an active New York practice since a 2013 admission, Mark Chaney Coulson sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
13 years on the New York bar
Years since admission, all currently-active NY attorneys
13 Top 75% higher than 25% 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 Pittsburgh, PA office peers
Relative to the 366 NY-registered attorneys listing Pittsburgh, PA, Mark Chaney Coulson is longer-tenured than 63% (local rank #233). See the Pittsburgh attorney directory .
- Local rank
- #233
- City cohort
- 366
- Local percentile
- 63rd
- Admitted
- 2013
Nearest tenure peers in Pittsburgh
- Thomas Gibson Buchanan admitted 2013 · 13 yr
- Maya Cheriyan admitted 2013 · 13 yr
- David Richard Cohen admitted 2013 · 13 yr
- Katlyn Amanda Corolina admitted 2013 · 13 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 Mark compares to fellow Vanderbilt University alumni
Among the 209 Vanderbilt University graduates in the New York register, Mark Chaney Coulson is longer-tenured than 4%.
13 years vs. Vanderbilt University alumni
Years since admission - 209 NY-registered alumni of this school
13 Top 96% higher than 4% of 209 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
Vanderbilt University's active-bar rate
Of Vanderbilt University's 342 alumni in the New York register, 67.8% currently hold "Currently registered" status, above the statewide average.
The 2013 admission class today
Of the 10,251 attorneys admitted to the New York bar in 2013, 90.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5178793
- Year Admitted
- 2013 (13 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Sep 2027
Location & Contact
- Company
- Williams Coulson LLC
- City
- Pittsburgh, PA
- ZIP Code
- 15222
- Phone
- (412) 454-0200
Education
Status Distribution Across the New York Bar
Mark Chaney Coulson'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 Vanderbilt University alumni
Fellow alumni on the NY register whose admission year is closest to 2013 (excluding same-firm colleagues above).
Same admission year (2013), other cities
NY-registered attorneys admitted in 2013 whose listed office city differs from Pittsburgh, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Chaney Coulson: closest NY bar admission year outside PA, and closest out-of-state office cities by how many NY-registered attorneys they list (~367 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2013)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Mark Chaney Coulson'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 Mark Coulson licensed?
Mark Coulson is licensed to practice law in New York.
When was Mark Chaney Coulson admitted to the bar?
Mark Chaney Coulson has been on the New York bar register since 2013.
Where did Mark Chaney Coulson go to law school?
Mark Chaney Coulson attended VANDERBILT UNIVERSITY.
What company does Mark Chaney Coulson work for?
Mark Chaney Coulson is associated with Williams Coulson LLC in Pittsburgh, PA.
Is Mark Chaney Coulson in good standing?
Yes, Mark Chaney Coulson 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.