New York attorney record · Judicial Dept 3
William Robert Irwin
Washington University School Of Law alumna, admitted to the New York bar in 2019, registered office in Chicago, IL. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2019
- Admitted
- 7
- Years in bar
- 5695770
- NY reg #
The record in one line
Admitted in 2019, William Robert Irwin has built 7 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 7 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1781 of 2,245
- by tenure in Chicago office peers
- Law school
- Washington University School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Bar number 5695770 on the New York register belongs to William Robert Irwin, currently in active 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 Manning Gross & Massenburg LLP, located in Chicago, IL, ZIP 60603. 5 other attorneys share this firm affiliation in the registry. Educational background: WASHINGTON UNIVERSITY SCHOOL OF LAW (144 registered alumni).
State context & due diligence
William Robert Irwin 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
7 years into an active New York practice since a 2019 admission, William Robert Irwin sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
7 years on the New York bar
Years since admission, all currently-active NY attorneys
7 Top 87% higher than 13% 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 Chicago, IL office peers
Among the 2,245 NY-registered attorneys with a listed office in Chicago, IL, William Robert Irwin ranks #1,781 by tenure, longer-tenured than 79% of that city cohort. See the Chicago attorney directory .
- Local rank
- #1,781
- City cohort
- 2,245
- Local percentile
- 79th
- Admitted
- 2019
Nearest tenure peers in Chicago
- Merna Abouelmaaty admitted 2019 · 7 yr
- David Scott Becker admitted 2019 · 7 yr
- Joseph Robert Belza admitted 2019 · 7 yr
- Wes Benter admitted 2019 · 7 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.
How William compares to fellow Washington University School Of Law alumni
Among the 138 Washington University School Of Law graduates in the New York register, William Robert Irwin is longer-tenured than 0%.
7 years vs. Washington University School Of Law alumni
Years since admission - 138 NY-registered alumni of this school
7 Top 100% higher than 0% of 138 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 · August 2026
Washington University School Of Law's active-bar rate
Of Washington University School Of Law's 144 alumni in the New York register, 74.3% currently hold "Currently registered" status, above the statewide average.
The 2019 admission class today
Of the 8,536 attorneys admitted to the New York bar in 2019, 94.7% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5695770
- Year Admitted
- 2019 (7 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Apr 2027
Location & Contact
- Company
- Manning Gross & Massenburg LLP
- City
- Chicago, IL
- ZIP Code
- 60603
- Phone
- (312) 625-4995
Education
Status Distribution Across the New York Bar
William Robert Irwin'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.
Same firm affiliation: Manning Gross & Massenburg LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Washington University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2019 (excluding same-firm colleagues above).
Same admission year (2019), other cities
NY-registered attorneys admitted in 2019 whose listed office city differs from Chicago, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Robert Irwin: closest NY bar admission year outside IL, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,246 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2019)
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 Chicago, IL
Compare credentials side-by-side
Compare William Robert Irwin with similar attorneys in Chicago.
Compare attorneys →Before you rely on this record
William Robert Irwin'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 William Irwin licensed?
William Irwin is licensed to practice law in New York.
When was William Robert Irwin admitted to the bar?
William Robert Irwin has been on the New York bar register since 2019.
Where did William Robert Irwin go to law school?
William Robert Irwin attended WASHINGTON UNIVERSITY SCHOOL OF LAW.
What company does William Robert Irwin work for?
William Robert Irwin is associated with Manning Gross & Massenburg LLP in Chicago, IL.
Is William Robert Irwin in good standing?
Yes, William Robert Irwin 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.