Go after colleges with largest undergraduate enrollments, then hit the 2,000,000 most common names in the edu email system (1,000 male first names, 1,000 female first names, 1,000 last names).
As of the most recent data, the U.S. colleges and universities with the largest undergraduate enrollments are:
Arizona State University: Approximately 65,500 undergraduate students.
University of Central Florida: Around 61,456 undergraduate students.
Texas A&M University, College Station: About 57,500 undergraduate students.
Florida International University: Approximately 45,400 undergraduate students.
Liberty University: Enrolls about 16,131 residential undergraduate students, with a total enrollment exceeding 140,000 when including online programs.
Ohio State University, Main Campus: Approximately 46,123 undergraduate students.
University of Florida: Around 41,487 undergraduate students.
University of Illinois Urbana-Champaign: Approximately 35,467 undergraduate students.
University of Minnesota, Twin Cities: About 54,890 undergraduate students.
University of Texas at Austin: Approximately 42,444 undergraduate students.
https://names.mongabay.com/female_names.htm