I-Newfoundland iwuhlobo lwezinja oluqanjwe ngendawo lapho lezi zinja zaqala ukuvela khona. Nakuba lolu hlobo manje selubhekwa njengelaseCanada, empeleni, ngesikhathi sokuvela kwalo, le ndawo kwakungeyamaNdiya, kwase kuthi i-United States, neCanada, njengezwe elihlukile, yavela kamuva. Okwamanje, abacwaningi abakwazi ukusho ngokuqondile ukuthi lolu hlobo lwakhiwe kanjani, nokuthi yiziphi izinja ezihilelekile.
Kunemibono eminingana, akukho neyodwa yayo enesiqinisekiso esanele njengelungile ngokungananazi. Ithiyori yokuqala iwukuthi cishe ngekhulu le-15 nele-16, ngenxa yokuwela kwezinhlobo zezinja eziningana, phakathi kwazo, ngokusho kwabafuyi bezinja, kwakukhona I-Pyrenean Shepherds, Mastiffs, kanye ne-Portuguese Water Dogs, uhlobo manje esilwazi ngokuthi Kwazalwa iNewfoundland.