New York attorney record · Judicial Dept 1
John Patrick Mcmahon
New York University alumna, admitted to the New York bar in 1967, registered office in Rock Hill, SC. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1967
- Admitted
- 59
- Years in bar
- 1416270
- NY reg #
The record in one line
John Patrick Mcmahon has spent 59 years on the register since admission in 1967, one of the longest-standing active practitioners the state bar carries at 98% tenure percentile.
- 59 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 2%
- by tenure among active NY attorneys
- Law school
- New York University
Data updated May 2026
What this profile tells you
Bar status & tenure
John Patrick Mcmahon has carried New York bar registration 1416270 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 John P Mcmahon, located in Rock Hill, SC, ZIP 29732. Educational background: NEW YORK UNIVERSITY.
State context & due diligence
Across a career spanning 59 years, John Patrick Mcmahon 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
John Patrick Mcmahon's 59 years since a 1967 admission places this record near the far edge of the statewide tenure curve below.
59 years on the New York bar
Years since admission, all currently-active NY attorneys
59 Top 2% higher than 98% 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 John compares to fellow New York University alumni
Among the 4,467 New York University graduates in the New York register, John Patrick Mcmahon is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
59 years vs. New York University alumni
Years since admission - 4,467 NY-registered alumni of this school
59 Top 1% higher than 99% of 4,467 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
The 1967 admission class today
Of the 1,782 attorneys admitted to the New York bar in 1967, 32.2% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1416270
- Year Admitted
- 1967 (59 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Mar 2028
Location & Contact
- Company
- John P Mcmahon
- City
- Rock Hill, SC
- ZIP Code
- 29732
- Phone
- (803) 526-1349
Education
NEW YORK UNIVERSITY
Status Distribution Across the New York Bar
John Patrick Mcmahon'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
John Patrick Mcmahon'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 John Mcmahon licensed?
John Mcmahon is licensed to practice law in New York.
When was John Patrick Mcmahon admitted to the bar?
John Patrick Mcmahon's admission to the New York bar dates back to 1967.
Where did John Patrick Mcmahon go to law school?
John Patrick Mcmahon attended NEW YORK UNIVERSITY.
What company does John Patrick Mcmahon work for?
John Patrick Mcmahon is associated with John P Mcmahon in Rock Hill, SC.
Is John Patrick Mcmahon in good standing?
Yes, John Patrick Mcmahon 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.