New York attorney record
Erin Margaret O'Callaghan
Erin Margaret O'Callaghan is an attorney registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4510756, admitted in 2007. The current public license status is "Currently registered" as of 2026-06-13.
Active license with no disbarment or suspension of record.
The current license status of record is active, and no disbarment or suspension is reflected in the public record we hold.
A summary of the public record — not a rating of skill, not a recommendation, not legal advice.
Experience vs. active New York attorneys
State median: 20 yrs
19 yrs admitted — more experience than ~47% of active New York attorneys.
Years since admission, active New York attorneys with a published admission year (n = 333,133). This attorney's band is highlighted.
License & registration
| Full name | Erin Margaret O'Callaghan |
|---|---|
| Bar / registration number | 4510756 |
| License status | Active official status of record: “Currently registered” |
| Admission year | 2007 |
| Law school | New York Law School |
| Business location | New York, NY |
| Firm | Blackstone |
| Discipline standing | No disbarment or suspension is reflected in the current public status. Itemized disciplinary orders are not yet integrated for New York; see the official source for the full record. |
Federal court activity
Federal court activity has not been compiled for this attorney yet.
Source & last updated
Source: NYS Office of Court Administration (OCA) Attorney Registration Unit — official attorney record. As of 2026-06-13 (last roster ingest).
Frequently asked questions
Is Erin Margaret O'Callaghan a licensed attorney in New York?
Erin Margaret O'Callaghan is registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4510756. The current public license status of record is "Currently registered" as of 2026-06-13.
Has Erin Margaret O'Callaghan been disbarred or suspended?
No disbarment or suspension is reflected in Erin Margaret O'Callaghan's current public license status of record per the NYS Office of Court Administration (OCA) Attorney Registration Unit.
What is Erin Margaret O'Callaghan's bar number?
Erin Margaret O'Callaghan's New York bar/registration number is 4510756, assigned by the NYS Office of Court Administration (OCA) Attorney Registration Unit. A bar number is the most reliable way to confirm you have the right attorney, especially for common names.
When was Erin Margaret O'Callaghan admitted to practice law?
Erin Margaret O'Callaghan was admitted in 2007 — about 19 years since admission per the NYS Office of Court Administration (OCA) Attorney Registration Unit. Law school of record: New York Law School.
Where is Erin Margaret O'Callaghan's law office?
The NYS Office of Court Administration (OCA) Attorney Registration Unit record lists a business location of New York, NY and the firm Blackstone for Erin Margaret O'Callaghan. Phone and email are not published in the public roster.
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