Margaret K. LaMothe received her B.A. from College of the Holy Cross in 1980, where she graduated Cum Laude. She received her J.D. from Boston College in 1983. She was employed at Hill and Gibney from 1984-1986, and has been with the team at McElhiney and Matson since 1986. Since 1993, she has also acted as the Present Land Court Title Examiner for the Commonwealth of Massachusetts. Her jurisdiction and memberships include:
- Massachusetts
- U.S. District Court (MA) 1st Cir. Ct. of Appeals
- Fourth Eastern Middlesex Bar Association
- Massachusetts Bar Association