New York attorney record · Judicial Dept 1
Mary Katherine Sessa
Columbia Law School alumna, admitted to the New York bar in 2016, registered office in Washington, DC. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2016
- Admitted
- 10
- Years in bar
- 5446471
- NY reg #
The record in one line
Admitted in 2016, Mary Katherine Sessa has built 10 years of active New York practice - more tenure than 24% of the state's currently-active attorneys.
- 10 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 76%
- by tenure among active NY attorneys
- Law school
- Columbia Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5446471 on the New York register belongs to Mary Katherine Sessa, currently in active standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in Washington, DC, ZIP 20530. Educational background: Columbia Law School (21,447 registered alumni).
State context & due diligence
Mary Katherine Sessa 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
10 years into an active New York practice since a 2016 admission, Mary Katherine Sessa sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
10 years on the New York bar
Years since admission, all currently-active NY attorneys
10 Top 76% higher than 24% of 284,296 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 · May 2026
How Mary compares to fellow Columbia Law School alumni
Among the 11,886 Columbia Law School graduates in the New York register, Mary Katherine Sessa is longer-tenured than 37% - a school-cohort view of experience, alongside the statewide one above.
10 years vs. Columbia Law School alumni
Years since admission - 11,886 NY-registered alumni of this school
10 Top 63% higher than 37% of 11,886 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 · May 2026
Columbia Law School's active-bar rate
Of Columbia Law School's 21,447 alumni in the New York register, 77.3% currently hold "Currently registered" status, above the statewide average.
Columbia Law School alumni, active-bar rate
The 2016 admission class today
Of the 8,420 attorneys admitted to the New York bar in 2016, 72.1% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5446471
- Year Admitted
- 2016 (10 yrs · mid-career)
- Judicial Department
- 1
- Next Registration
- Jan 2028
Location & Contact
- City
- Washington, DC
- ZIP Code
- 20530
- Phone
- (202) 252-1900
Education
Status Distribution Across the New York Bar
Mary Katherine Sessa's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
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Compare attorneys →Before you rely on this record
Mary Katherine Sessa'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 Mary Sessa licensed?
Mary Sessa is licensed to practice law in New York.
When was Mary Katherine Sessa admitted to the bar?
Mary Katherine Sessa has been on the New York bar register since 2016.
Where did Mary Katherine Sessa go to law school?
Mary Katherine Sessa attended Columbia Law School.
Is Mary Katherine Sessa in good standing?
Yes, Mary Katherine Sessa holds active bar status ("Currently registered").
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.