Katryna (Katy) Vergis-Mayo


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  • Bio
  • Education
  • Bar Admissions
  • Memberships


Katryna Vergis-Mayo is an associate at Loopstra Nixon LLP.

Katy’s practice focuses primarily on municipal, land use planning and development law, in addition to expropriation matters. Katy gained valuable insight into the complex issues of municipal and planning law during her time working at the Ministry of Municipal Affairs and Housing. She is a member of the Ontario Professional Planners Institute and the Canadian Institute of Planners.

While completing her law degree at the University of Windsor, Katy served as the president of the Windsor Municipal and Planning Law Association, which held numerous events related to prevalent issues in the field. Katy was also the recipient of several municipal/land use planning awards while at Windsor Law including the Max N. Mousseau, Q.C., Memorial Award in Municipal Law, the R. Lawrence DeShield Memorial Award in Municipal Law Studies, the Kellerman Family Bursaries, and the Morris D. Baker Scholarship in Honour of Armando DeLuca.

Prior to law school, Katy graduated from Toronto Metropolitian University with a Bachelor’s degree in Urban and Regional Planning and subsequently went on to complete a Master of Spatial Analysis, also at Toronto Metropolitian University. She is currently in the process of becoming a Registered Professional Planner.

Before joining Loopstra Nixon, Katy was an associate at another well-regarded Toronto law firm focusing on municipal, land use planning and development law.

In her spare time, Katy enjoys baking, playing sports and travelling.


  • Toronto Metropolitan University, Bachelor of Urban and Regional Planning, 2011-2015
  • Toronto Metropolitan University, Masters of Spatial Analysis, 2015-2016
  • University of Windsor, Doctor of Law (J.D.), Law, 2016-2019

Bar Admissions

  • Ontario


  • Registered Professional Planner (RPP) (Candidate) (November 2020)
  • Canadian Institute of Planners
  • Ontario Professional Planners Institute
  • Ontario Bar Association - Municipal Section