Freddrenna Margaret Lyle serves as Judge of the First Municipal District of State of Illinois' Circuit Court of Cook County.

She is currently the Vice Chair of the Cook County Democratic Party and Chairman of the Black Elected Officials of Illinois.

Lyle was appointed alderman by Chicago Mayor Richard M. Daley on February 8, 1998 to fill the unexpired term of John O. Steele.

As an alderman, Lyle served on five committees: Budget; Finance; Parks and Recreation; License and Consumer Protection; Traffic and Public Safety; and Rules and Ethics.

After her defeat, she served as a legal advisor to the Council's Black Caucus regarding the redistricting process for Chicago's 50 wards.