About Deborah

Deborah Herriot-Howes is a family law lawyer and mediator practicing as a sole practitioner in Markham. Called to the Ontario bar in 1996, she offers collaborative law, mediation, negotiation, and litigation services for divorce and separation matters across York Region and the GTA.

Practice areas

Listing compiled from public sources in September 2026. Confirm Deborah Herriot-Howes’s licence and standing in the Law Society of Ontario directory ↗