New York attorney record · Judicial Dept 3
Oisin Sean Heneghan
National University Of Ireland, Galway alumna, admitted to the New York bar in 2011, registered office in San Francisco, CA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2011
- Admitted
- 15
- Years in bar
- 4967105
- NY reg #
The record in one line
Oisin Sean Heneghan has held an active New York bar license for 15 years - admitted in 2011, longer-tenured than 38% of the state's currently-active attorneys.
- 15 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1315 of 2,460
- by tenure in San Francisco office peers
- Law school
- National University Of Ireland, Galway
Data updated August 2026
What this profile tells you
Bar status & tenure
Oisin Sean Heneghan carries New York bar registration 4967105, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in San Francisco, CA, ZIP 94103. Educational background: NATIONAL UNIVERSITY OF IRELAND, GALWAY (50 registered alumni).
State context & due diligence
With an established practice on record, Oisin Sean Heneghan remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Oisin Sean Heneghan was admitted in 2011, giving 15 years on the New York register.
15 years on the New York bar
Years since admission, all currently-active NY attorneys
15 Top 62% higher than 38% 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 · August 2026
Tenure among San Francisco, CA office peers
Oisin Sean Heneghan's 15-year NY register tenure places mid-pack in San Francisco, CA: rank #1,315 of 2,460 office peers (53rd percentile). See the San Francisco attorney directory .
- Local rank
- #1,315
- City cohort
- 2,460
- Local percentile
- 53rd
- Admitted
- 2011
Nearest tenure peers in San Francisco
- Molly Grovak Abraham admitted 2011 · 15 yr
- Cecile Abramowicz admitted 2011 · 15 yr
- Danielle Barnes Adams admitted 2011 · 15 yr
- Michael Collins Allers admitted 2011 · 15 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 August 2026. Derived local rank, not published upstream.
National University Of Ireland, Galway's active-bar rate
Of National University Of Ireland, Galway's 50 alumni in the New York register, 80% currently hold "Currently registered" status, above the statewide average.
The 2011 admission class today
Of the 9,856 attorneys admitted to the New York bar in 2011, 88.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4967105
- Year Admitted
- 2011 (15 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Jul 2027
Location & Contact
- City
- San Francisco, CA
- ZIP Code
- 94103
- Phone
- (415) 279-0071
Education
Status Distribution Across the New York Bar
Oisin Sean Heneghan'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 National University Of Ireland, Galway alumni
Fellow alumni on the NY register whose admission year is closest to 2011 .
Same admission year (2011), other cities
NY-registered attorneys admitted in 2011 whose listed office city differs from San Francisco, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Oisin Sean Heneghan: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,461 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2011)
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 San Francisco, CA
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Compare Oisin Sean Heneghan with similar attorneys in San Francisco.
Compare attorneys →Before you rely on this record
Oisin Sean Heneghan'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 Oisin Heneghan licensed?
Oisin Heneghan is licensed to practice law in New York.
When was Oisin Sean Heneghan admitted to the bar?
Oisin Sean Heneghan was admitted to the bar in 2011.
Where did Oisin Sean Heneghan go to law school?
Oisin Sean Heneghan attended NATIONAL UNIVERSITY OF IRELAND, GALWAY.
Is Oisin Sean Heneghan in good standing?
Yes, Oisin Sean Heneghan 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.