Have you tried copy and paste ?it's a link for the parish register marriage between Patrick McCann and Mary Murphy.It's free access.
If it doesn't work,
go to familysearch.org at the bottom of the page, choose Canada on the left side, choose Ontario in the title list, choose Ontario Roman Catholic Church records click on Browse the 126 134 images Choose Carleton on the list then Ottawa, Notre-Dame d'Ottawa then Baptims, Marriage, Burials, 1845-1847 then go to image 22, it's on left page
Patrick McCann, of March?, son of age of John McCann and Catharine Blair and Mary Murphy, of March ?, daughter of age of John Murphy and Mary Caleghan.Witnesses are Louis? Murphy and Thomas Fitzgerald.
If someane can explain the "of March" it will be great.
It was on the 14th of July 1845 at Notre-Dame, Ottawa, Ontario.This church is close from the Pontiac area were Diane Shaw found the census informations.For this period, it was almost the only parish openned for the catholics registrations.