New York · est. 2013Friday, September 4, 2026
Inside Immigration

Plain-language guides to US immigration, asylum and USCIS procedure.

Immigration judges

Margaret R. MacGregor

Immigration Judge, Port Isabel Detention Center. Appointed August 2023.

Asylum record, FY 2021-2026

TRAC source →
Judge MacGregor63.3%
Los Fresnos - PEP court76.9%
All judges nationally62.9%
Decisions on the merits
147
Asylum granted
22
Other relief granted
32
Denied
93
Against own court
-13.6 pts
Denial rate by fiscal year
FY25FY26
63%64%

Read from TRAC's chart to the nearest point. Years with fewer than 25 decisions are not shown.

Docket

Respondents represented by counsel: 59% (nationally, 81% are represented).

Most common nationalities: Mexico (15%), Honduras (8.2%), Russia (6.8%), Colombia (6.1%), El Salvador (6.1%).

Official biography

Margaret R. MacGregor was appointed as an immigration judge to begin hearing cases in August 2023. Judge MacGregor ear ned a Bachelor of Arts in 1996 from Georgetown University and a Juris Doctorate in 1999 from the University of Arizona College of Law. From 2009 to 2023, she was an attorney advisor at the Board of Immigration Appeals, Executive Office for Immigration Review, U.S. Department of Justice. From 2007 to 2009, she was an associate with Berry, Appleman & Leiden, and from 2005 to 2007 with Reina & Associates, both in Dallas. From 2003 to 2005, she was a deputy attorney general represent ing the Division of Youth and Family Services for the State of New Jersey. From 2002 to 2003, she clerked for the Honorable Vincent J. Grasso, presiding judge of the Family Part, in Ocean County, New Jersey. From 2000 to 2002, she was the senior editor of the Products Liability Law Reporter for the American Association for Justice in Washington, D.C. From 1999 to 2000, she was a staff attorney at the Center for Auto Safety in Washington, D.C. Judge MacGregor is a member of the New Jersey Bar.

As published by the Executive Office for Immigration Review at appointment, via TRAC.

In the record

No published reporting or appellate decisions naming this judge have been collected yet.

Other judges at Los Fresnos - PEP

Court page →

About these figures. Denial rates describe outcomes in the cases a judge happened to hear, which differ by detention, nationality and representation. They are not a measure of fairness or competence. Method and sources are on the judges index.