Emma Hamilton Custom


Emma is an associate lawyer. Her practice includes estate planning, estate administration and estate dispute resolution. Prior to joining O’Sullivan Estate Lawyers, Emma practiced trusts and estates at a full service firm in Calgary. She has experience in will, trust and succession planning, wealth transfer and incapacity planning, probate, estate and trust administration, special trust and estate court applications and family law matters, including domestic contracts. Emma is currently completing the Diploma Program of the Society of Trust and Estate Practitioners (STEP).

Emma has a J.D. from the University of Calgary, Faculty of Law. As part of her law studies, she spent a semester abroad at the University of Lucerne in Switzerland, summered at the United Nations Office on Drugs and Crime in Bangkok, Thailand and was a legal research assistant for the Faculty.

Professional Activities

  • Member, Law Society of Alberta
  • Former Member, Canadian Bar Association Family Law Section (Southern Alberta Branch)
  • Former Member, Canadian Bar Association Wills & Trusts Law Section (Southern Alberta Branch)
  • Former Member, Canadian Bar Association Taxation Non-Specialist (Southern Alberta Branch)
  • Member, Calgary Bar Association
  • Member, Young Women in Law (YWL)
  • Mentor, Calgary Women Studying Law Association, 2016-2017
  • Volunteer, Queen’s Bench Amicus Court Assistance Program, Pro Bono Law Alberta, 2015 - 2017
  • Volunteer, Civil Claims Duty Counsel Project, Pro Bono Law Alberta, 2015 - 2017
  • Volunteer, Kids Cancer Care Foundation of Alberta, 2003 - 2016
  • President, Business Law Association, 2013 - 2015
  • Project Leader, Pro Bono Students Canada, 2013 - 2015
  • Executive Member, University of Calgary Articling Committee, 2013 - 2014

Presentations and Publications

The Canadian Association of Gift Planners, Alberta South
Presentation: Charity Law Update: Impact of GREs and the 2017 Federal Budget on the Charitable Sector, April 11th, 2017

Contributed to the paper, "Caught Red-Handed: Litigation Against Attorneys in Trouble", Legal Education Society of Alberta, April 2016.

"Physician Assisted Death in Alberta: HS (Re), 2016 ABQB 121", March 22, 2016.

"Recent Case Highlights the Importance of Having a Will", November 6, 2015.

"New Notice and Reporting Requirements for Executors Acting without a Grant", September 8, 2015.

Toronto, Ontario, Canada
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Areas of Practice

  • Estate Planning
  • Estate Administration
  • Estate Dispute Resolution

Bar Admissions

  • Alberta, 2016


  • University of Calgary, Faculty of Law
    • J.D. - 2015
  • University of Victoria
    • B.A. (with Distinction) - 2012