Dont know if this is the same line yet, and no further info, just saw this marriage, and the name rang a bell from earlier searches of message boards, so I found you, thats all.
Pembroke Mission, 1839-1842 Film, Image 48 @ Ancestry Ontarion Drouin Collection. 3 Sept 1840.
Israel Populus, laborer, of age s/o late Nicolas Populus & Marie Louise Barnabe from the parish of St. Esprit,
and Marie Louise Tijetikakwe, minor d/o Mical Weiabauniete ? & Marie Cinowanokwe ? from Lac de Deux Montagnes - the nearby one I suppose.
Regards and good luck
Robert Herman