Find John O'Sullivan in the Genealogy Quebec archives. Explore the historical documents in which this first-name and last-name combination appears in Quebec.
Genealogy Quebec's archives contain mentions of John O'Sullivan across several types of records.
These documents may relate to several different people who shared the first name John and last name O'Sullivan.
Try Genealogy Quebec FREE for 7 days and explore over 100 million historical documents: birth, marriage and burial records, censuses, notarial contracts, obituaries and much more.
Number of documents by decade
Mentions of John O'Sullivan are particularly numerous between 1840 and 1849 in the records currently indexed by Genealogy Quebec.
Main associated localities, by number of documents.
Also found in 49 other places
Origin, meaning and popularity of the first name.
Origin, history and meaning of the last name.
Search for John O'Sullivan in Genealogy Quebec's collections and explore available records, censuses and other historical documents.