|Current Court Information:|
|Wisconsin Court of Appeals|
|Appointed by:||Jim Doyle|
|Past post:||Milwaukee County Circuit Court|
|Bachelors:||University of Wisconsin - Madison|
|Law School:||University of Wisconsin - Madison|
Upon graduation of law school, Brennan served as the Assistant District Attorney for Milwaukee County until 1984. From 1984-1994 she was in private practice with the firm Murphy & Brennan in South Milwaukee, handling a general practice.  Judge Brennan was elected to be a Circuit Court Judge in Milwaukee County in 1994, again in 2000 and 2006. She was assigned to the civil division where she presided over large claims, civil and probate cases. In 2008, she was appointed by Governor Doyle to serve on the Court of Appeals. 
Judge of the Year
On February 28, 2006, Judge Brennan was the recipient of the State Bar of Wisconsin's 2005 Judge of the Year Award. The annual award "recognizes a jurist who has improved the judicial system during the past year by providing leadership in advancing the quality of justice, judicial education, or innovative programs".
"This award recognizes Judge Brennan's exceptional efforts in preserving the integrity of the judiciary," said Hon. Daniel M. Floeter, Bench and Bar Committee Chair. "She has exhibited leadership, courage and conviction to achieve change and promote the quality of justice in the Milwaukee court system and raise the public's awareness about the critical role our court system plays in society."
Memberships and civic activities
Justice Brennan has been an active member of the State Bar of Wisconsin, the Milwaukee Bar Association, and the Association for Women Lawyers. She is a member of the Wisconsin and Milwaukee Trial Judges Associations. 
- Supreme Court selects Brennan, Proctor as chief judges, January 21, 2005
- Official Wisconsin Court System website
|District II:||Richard Brown • Lisa Neubauer • Paul Reilly • Mark Gundrum •|