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In Memoriam: Mary Greey

Tue, February 14, 2023 3:52 PM | OSRP (Administrator)

With respect and appreciation for her service to our profession and the OSRP, we wish to note the passing of Mary Beatrice Greey, a founding member of OSRP.

Mary Greey trained and practised as a psychotherapist in the early days of the profession in Toronto. She was first a founder, and later — at 70 — became President of the Ontario Society of Psychotherapists. She was also a founding faculty member of the Toronto Institute for Relational Psychotherapy. Though retired for 20 years from her professional activities, she is still remembered with warm respect by those who knew her as therapist, clinical supervisor, teacher/trainer, or colleague.

The OSRP Board offers its sincere condolences to her children, grandchildren, former colleagues, clients, students and supervisees, and her beloved spouse of 32 years, OSRP Clinical Member Pat DeYoung.

You can read more about Mary Greey’s life and legacy here: MARY GREEY Obituary (2023) - Midland, ON - Toronto Star ( 

Please email us re: the passing of OSRP members so we can commemorate them, and please make a plan for someone to let us know in the event of your passing at

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