Find William 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 Explore the historical documents in which this first-name and last-name combination appears in Quebec.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 William O'Sullivan across several types of records.
These documents may relate to several different people who shared the first name William and last name O'Sullivan.
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Number of documents by decade
Mentions of William O'Sullivan are particularly numerous between 1840 and 1849 in the records currently indexed by Genealogy Quebec.
Main associated localities, by number of documents.
Origin, meaning and popularity of the first name.
Origin, history and meaning of the last name.
Search for William O'Sullivan in Genealogy Quebec's collections and explore available records, censuses and other historical documents.