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Phone: 610-940-5406
Email: MGallagher@htts.com
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Marjorie E. Gallagher focuses her practice on estate planning, trust and estate administration and estate and gift taxation.

Marjorie earned her Bachelor of Arts degree from Northwestern University in 2010. She graduated from Temple University Beasley School of Law in 2014 where she was Research Editor of the Temple International and Comparative Law Journal. During law school, Marjorie completed an externship with the Internal Revenue Service and interned at the Temple Legal Aid Office where she drafted estate planning documents. Marjorie went on to earn her Masters of Law in Taxation from the University of Florida Levin College of Law in 2015 where she was Graduate Editor of the Florida Tax Review. Marjorie has been recognized by Best Lawyers (2020 - 2021) and by Super Lawyers as a Rising Star (2020- 2021).

Prior to joining Heckscher, Teillon, Terrill & Sager, Marjorie was an associate at a tax firm in Palm Beach Gardens, Florida.


  • Estate and Tax Planning
  • Estate Administration


  • University of Florida Levin School of Law, LL.M. in Taxation (2015)
  • Temple University Beasley School of Law, J.D. (2014)
  • Northwestern University, B.A. (2010)


  • Pennsylvania, 2014
  • New Jersey, 2014
  • Florida, 2015


  • American Bar Association
    • Real Property, Trust and Estate Law Section
  • Pennsylvania Bar Association
    • Real Property, Probate and Trust Law Section
  • New Jersey Bar Association
  • Florida Bar Association
    • Probate and Trust Law Section
  • Philadelphia Bar Association
  • Philadelphia Estate Planning Council
  • Montgomery Bar Association


  • Pennsylvania Super Lawyer Rising Star (2020)
  • Best Lawyers (2020 - 2021)