Sierra Farr

Sierra Farr

Associate, Litigation

Contact Information

tel: 416.862.6499



Areas of Expertise

Bar Admission

Ontario, 2023


University of Toronto Faculty of Law, J.D.

Queen’s University, B.Sc. (Honours)



Sierra is an associate in Osler’s litigation group. She maintains a general civil and commercial litigation practice.

Sierra obtained her J.D. from the University of Toronto. Prior to attending law school, Sierra graduated with a Bachelor of Science (Honours) with Distinction and a Certificate in International Studies from Queen’s University. While at Queen’s, Sierra completed a semester abroad at an internationally-ranked university in Singapore and attended the Queen’s Global Health and Disability Program in the U.K.

While at law school, Sierra served as co-president of the Women & the Law Society and volunteered with the Women’s Legal Education and Action Fund. She was also a caseworker at Downtown Legal Services, where she assisted low-income Toronto residents with family law disputes. Prior to joining Osler, Sierra worked as a research assistant with the University of Toronto International Reproductive and Sexual Health Law Program.

Sierra joined the firm as a summer student in 2021 and completed her articles with the firm from 2022-2023.

  • Pro Bono Ontario, Volunteer
  • Downtown Legal Services, Family Law Caseworker
  • Women’s Legal Education and Action Fund (LEAF), Research Assistant
  • U of T International Reproductive and Sexual Health Law Program, Research Assistant
  • Indigenous Summer Literacy Camps, Counsellor
  • Queen’s Health Outreach, Program Director