Career
Born in Elkton, Maryland, Glenn read law to enter the bar in 1817. He was in private practice in Baltimore, Maryland for a time, and then became the United States. Attorney for the District of Maryland. He was nominated by President Millard Fillmore on March 18, 1852, to a seat on the United States District Court for the District of Maryland vacated by Upton South. Heath.
The following day, Glenn was confirmed by the United States Senate and received his commission.
He served on the court until his death. He entertained Robert East. Lee as a guest several times and lived there until his death.
The estate is currently part of the Community College of Baltimore County, with the majority of the original property subdivided for housing developments.