Marit Stiles
Leader of the Ontario New Democratic Party (ONDP), Ontario MPP for Davenport

Marit Stiles (born September 20, 1969) is a Canadian politician who has been the leader of the Ontario New Democratic Party (NDP) and the leader of the Official Opposition since 2023. Stiles was elected to the Legislative Assembly of Ontario in 2018 and serves as the member of Provincial Parliament (MPP) for Davenport.
Born in Newfoundland, Stiles moved to Ontario to attend Carleton University. She worked as a policy researcher before becoming research and policy director with ACTRA. Stiles served as a Toronto District School Board (TDSB) trustee in 2014 and was the president of the New Democratic Party of Canada from 2016 to 2018.
Early life and career
Marit Stiles was born on September 20, 1969, in St. John's, Newfoundland, growing up in the communities of Long Pond and Logy Bay. The name Marit is of Norwegian origin, although Stiles does not have Norwegian ancestry, and the name was suggested by Norwegian family friends. Her parents were Americans who had moved from Pennsylvania to Newfoundland in 1967 and settled on a small organic farm outside St. John's, growing vegetables and raising goats, chickens, geese, rabbits and pigs. Her father was an anthropology professor at Memorial University, who later became an energy conservation consultant in Canada and Africa.
“Marit Stiles” enters the record as leader of the Ontario New Democratic Party (ONDP), Ontario MPP for Davenport. Crown Archives preserves that source wording while asking what Marit, Stiles and Leader can confirm, complicate or overturn.
Why this record matters
“Marit Stiles” is worth following because a concise public description often conceals a longer documentary argument. Here, Marit, Stiles and Leader provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 4, 2026. The linked authority identifier is Q54862567. 1 of 5 selected statements include explicit references; 4 carry qualifiers and 2 use preferred rank. The first chronological checks are 1969, 2023, 2018 and 2014.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Marit Stiles”, its source revision and the description used here.
- Expand the search: follow Marit Stiles primary sources, Marit Stiles archive and Marit research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Marit Stiles”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Marit Stiles” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.