[1][3] At a young age his family moved to Montreal,[4] where he attended West Hill High School.

After taking correspondence courses in commercial illustration, he attended Sir George Williams College and the Art Association of Montreal.

[9] Much of Ewart's subject matter was found in the Cariboo region of British Columbia between Spences Bridge and Ashcroft.

[5] He variously tried to capture a sense of loneliness, the warmth of winter cabins, campfires and morning frosts.

[11] In 2015, Kwantlen Polytechnic University conferred a posthumous honorary degree on Ewart for his role as a co-founder of Langley Community Music School.

[13] Three years later, his name was bestowed on Peter Ewart Middle School, located in Willoughby within the Township of Langley.