 | This article relies largely or entirely on a single source. (December 2021) |
Hartley Dewart | |
|---|---|
 Hartley Dewart, in 1912 | |
| Leader of the Ontario Liberal Party | |
| In office 1919–1921 | |
| Preceded by | William Proudfoot |
| Succeeded by | Wellington Hay |
| Ontario MPP | |
| In office 1916–1923 | |
| Preceded by | James Joseph Foy |
| Succeeded by | James Arthur McCausland |
| Constituency | Toronto Southwest – Seat A |
| Personal details | |
| Born | November 9, 1861 St. Johns, Canada East |
| Died | July 7, 1924 (aged 62) Uxbridge |
| Political party | Liberal |
| Occupation | Lawyer |
Herbert Hartley Dewart QC (9 November 1861 – 7 July 1924) was an Ontario lawyer and politician.