DCHP-1 Online
Anti-Constitutional party Hist. 
a party opposed to the constituted political structure of Upper Canada in the 1830's.
- 1833 I am aware of no more prolific source of discontent and mischief in this Province, than the constant allusion . . . supported by the Anti-Constitutional party, to the difference of origin, of which our population consists.
- 1837 It is singular, that notwithstanding the activity displayed by the Montreal Anti-Constitutional party, every election . . . has turned against them.
- 1833 I am aware of no more prolific source of discontent and mischief in this Province, than the constant allusion . . . supported by the Anti-Constitutional party, to the difference of origin, of which our population consists.