Nature 33

Dayton Warren Carl Thesenvitz

June 9, 1945 ~ August 26, 2020 (age 75)


Jodi, Lara, Kristy and Doris Thesenvitz are saddened to announce the passing of Dayton (Dad, Grampa) Thesenvitz on August 26 at the age of 75.

Dayton overcame challenging life circumstances to become an electrical engineer and a loving father. Alongside the energy force that is his wife Doris of 48 years, he also became a gardener, a birdwatcher, an active member of his churches, a traveller, a photographer, an environmentalist, and a generally upstanding citizen.

With Doris at his side he created a life for three daughters and four grandchildren that has been filled with endless opportunities. Whatever Dayton’s source of resilience was, we are grateful for it and hope that we can carry some of it forward into the next generation.

Sadly, Dayton, with much help from Doris, spent a lot of time fighting for his health and often his life in the last 20 years.

Despite his struggles, Dayton was a perfectionist. Whatever he took on, from developing safety protocols for Syncrude, to managing the church property, to managing the trees and shrubs in his yard, he wouldn’t quit until it was exactly right – usually driving a few people quite crazy in the process. He loved to read and watch documentaries about all kinds of things and couldn’t get enough of the details – it was amazing the details he could take in about something that captured his attention, though the more practical aspects of life might slip his mind, like where he was supposed to be at 2PM on a Tuesday.

We are heartbroken, and although nothing really makes up for the loss, in his memory, we would ask that you take some small action related to things that he invested his own life energy in. Grow something, think twice about buying things that will just end up in a landfill or polluting our lakes and oceans, find a way to help a child in need reach their full potential or just keep working at being kind and helpful to others no matter what the world throws at you.

We will miss you Dayton, Dad, Grampa.

A short Celebration of Dayton's Life to held at the family residence, on Sunday, August 30, 2020 at 2:30 p.m.  For inquiries, please contact the family directly at 403-966-4936 or email

If you wish to make a donation on Dayton's behalf, in lieu of flowers, Doris suggests the St. Andrew's United Church Legacy fund. There is an online donation here: form  Just specify the Legacy Fund in the notes section.


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