Mary Pat Crook was born in South Bend, Indiana. After attending high school at North Carolina School of the Arts, Mary Pat graduated from Purdue University with a degree in Environmental Science. While in college, she spent her summers as an intern for the Indiana Department of Environmental Management. Mary Pat then earned her law degree from Ohio Northern University, where she received recognition for her studies in Land Use and was on the Dean's List.

Mary Pat joined Beasley Allen as an associate on January 2, 2008. Prior to being an associate, she worked at the firm as a staff attorney in the toxic tort section. Mary Pat is currently working on several environmental cases involving issues such as nuisance and trespass due to noxious odor emissions.

Currently, Mary Pat is a member of the Hugh Maddox Inns of Court. She is married to C. McDowell Crook, Jr., an associate with the law firm Haskell, Slaughter, Young and Gallion, LLC.