New York attorney record · Judicial Dept 1
Ethan Lee Mcmahon
Columbia Law School alumna, admitted to the New York bar in 2018, registered office in New York, NY. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2018
- Admitted
- 8
- Years in bar
- 5648274
- NY reg #
The record in one line
Ethan Lee Mcmahon appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2018 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 8 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #67748 of 93,608
- by tenure in New York office peers
- Law school
- Columbia Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Ethan Lee Mcmahon is registered as bar number 5648274 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Sidley Austin LLP, located in New York, NY (New York County), ZIP 10019. 5 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (21,451 registered alumni).
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among New York, NY office peers
Ethan Lee Mcmahon's 8-year NY register tenure places mid-pack in New York, NY: rank #67,748 of 93,608 office peers (72nd percentile). See the New York attorney directory .
- Local rank
- #67,748
- City cohort
- 93,608
- Local percentile
- 72nd
- Admitted
- 2018
Nearest tenure peers in New York
- Leah F. Aaronson admitted 2018 · 8 yr
- Danielle Brooke Abada admitted 2018 · 8 yr
- Waleed Tareef Abbasi admitted 2018 · 8 yr
- Susi Kristin Abdelmalek admitted 2018 · 8 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 Ethan compares to fellow Columbia Law School alumni
Among the 11,886 Columbia Law School graduates in the New York register, Ethan Lee Mcmahon is longer-tenured than 17%.
8 years vs. Columbia Law School alumni
Years since admission - 11,886 NY-registered alumni of this school
8 Top 83% higher than 17% of 11,886 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
The 2018 admission class today
Of the 8,750 attorneys admitted to the New York bar in 2018, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 5648274
- Year Admitted
- 2018 (8 yrs · mid-career)
- Judicial Department
- 1
- Next Registration
- Feb 2026
Location & Contact
- Company
- Sidley Austin LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10019
- Phone
- (904) 894-7927
Education
Status Distribution Across the New York Bar
Ethan Lee Mcmahon's current status, "Due to reregister within 30 days of birthday", places this record outside 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.
Other Attorneys at Sidley Austin LLP
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Compare attorneys →Before you rely on this record
Ethan Lee Mcmahon is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Ethan Mcmahon licensed?
Ethan Mcmahon is licensed to practice law in New York.
When was Ethan Lee Mcmahon admitted to the bar?
Ethan Lee Mcmahon has been on the New York bar register since 2018.
Where did Ethan Lee Mcmahon go to law school?
Ethan Lee Mcmahon attended Columbia Law School.
What company does Ethan Lee Mcmahon work for?
Ethan Lee Mcmahon is associated with Sidley Austin LLP in New York, NY.
Is Ethan Lee Mcmahon in good standing?
Not currently, Ethan Lee Mcmahon's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.