New York attorney record · Judicial Dept 3
Denis Eugene Mc Guinness
Texas Tech University alumna, admitted to the New York bar in 1991, registered office in White Plains, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1991
- Admitted
- 35
- Years in bar
- 2438075
- NY reg #
The record in one line
With 35 years on the register since a 1991 admission, Denis Eugene Mc Guinness ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 35 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 21%
- by tenure among active NY attorneys
- Law school
- Texas Tech University
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2438075 with the New York bar authority has long belonged to Denis Eugene Mc Guinness, a veteran practitioner still in active 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 O'Connor, Mcguinness, Conte, Doyle, Oleson, Watson And Loftus, LLP, located in White Plains, NY (Westchester County), ZIP 10601. Educational background: TEXAS TECH UNIVERSITY (16 registered alumni).
State context & due diligence
After 35 years on the register, Denis Eugene Mc Guinness still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Denis Eugene Mc Guinness's 35 years since admission in 1991. The histogram plots that tenure against every currently-active attorney in the state.
35 years on the New York bar
Years since admission, all currently-active NY attorneys
35 Top 21% higher than 79% 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
Texas Tech University's active-bar rate
Of Texas Tech University's 16 alumni in the New York register, 62.5% currently hold "Currently registered" status, below the statewide average.
Texas Tech University alumni, active-bar rate
The 1991 admission class today
Of the 6,456 attorneys admitted to the New York bar in 1991, 73.1% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2438075
- Year Admitted
- 1991 (35 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Jul 2027
Location & Contact
- Company
- O'Connor, Mcguinness, Conte, Doyle, Oleson, Watson And Loftus, LLP
- City
- White Plains, NY
- County
- Westchester
- ZIP Code
- 10601
- Phone
- (914) 948-4500
Education
Status Distribution Across the New York Bar
Denis Eugene Mc Guinness'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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Denis Eugene Mc Guinness'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 Denis Mc Guinness licensed?
Denis Mc Guinness is licensed to practice law in New York.
When was Denis Eugene Mc Guinness admitted to the bar?
Denis Eugene Mc Guinness's admission to the New York bar dates back to 1991.
Where did Denis Eugene Mc Guinness go to law school?
Denis Eugene Mc Guinness attended TEXAS TECH UNIVERSITY.
What company does Denis Eugene Mc Guinness work for?
Denis Eugene Mc Guinness is associated with O'Connor, Mcguinness, Conte, Doyle, Oleson, Watson And Loftus, LLP in White Plains, NY.
Is Denis Eugene Mc Guinness in good standing?
Yes, Denis Eugene Mc Guinness 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.