William Castonguay Genealogy: 23 obituaries, marriages, births, burials (1831-1959)

William Castonguay is documented in 23 historical records spanning 1831-1959 across 13 cities — including Trois-Pistoles, Saint-Simon, Saint-Mathieu, St-Lazare, Hereford, St-Cyriac, Saint-Roch-des-Aulnaies, Riviere-du-Loup, Saint-Hermenegilde, and Lachine. Sources include 5 births, 2 baptism records, 5 censuses, 9 marriage records, and 2 burial records. Discover your genealogy on MesAieux (YourFolks), one of the best platforms for ancestry research, focusing on Quebec and Canada. Trace your family tree and track the lives of individuals named William Castonguay through these records — start uncovering your ancestors and build your complete family tree with William Castonguay today.

Year	Type	Subject	Location	Source	Results
abt. 1831	Birth	William Castonguay	Undetermined location	Recensement du Canada, 1891	abt. 1831 Birth William Castonguay Undetermined location (Recensement du Canada, 1891)
abt. 1833	Birth	William Castonguay	Undetermined location	Recensement du Canada, 1881	abt. 1833 Birth William Castonguay Undetermined location (Recensement du Canada, 1881 )
1857	Marriage	Guillaume Castonguay & Florence Pelletier	Trois-Pistoles, Qc	Vital records	1857 Marriage Guillaume Castonguay & Florence Pelletier Trois-Pistoles, Qc (Vital records)
1864	Marriage	William Castonguay & Catherine Belanger	Saint-Simon, Qc	Vital records	1864 Marriage William Castonguay & Catherine Belanger Saint-Simon, Qc (Vital records)
abt. 1866	Birth	William Castonguay	Undetermined location	Recensement du Canada, 1891	abt. 1866 Birth William Castonguay Undetermined location (Recensement du Canada, 1891)
1881	Census	William Castonguay & Catherine Castonguay	Saint-Mathieu, QC	Recensement du Canada, 1881	1881 Census William Castonguay & Catherine Castonguay Saint-Mathieu, QC (Recensement du Canada, 1881 )
abt. 1882	Birth	William Castonguay	Undetermined location	Recensement du Canada, 1891	abt. 1882 Birth William Castonguay Undetermined location (Recensement du Canada, 1891)
abt. 1883	Birth	William Castonguay	Undetermined location	Recensement du Canada, 1931	abt. 1883 Birth William Castonguay Undetermined location (Recensement du Canada, 1931)
1891	Census	William Castonguay	St-Lazare, QC	Recensement du Canada, 1891	1891 Census William Castonguay St-Lazare, QC (Recensement du Canada, 1891)
1891	Census	William Castonguay & Catherine Castonguay	Hereford, Paquetteville (Village), QC	Recensement du Canada, 1891	1891 Census William Castonguay & Catherine Castonguay Hereford, Paquetteville (Village), QC (Recensement du Canada, 1891)
1891	Census	William Castonguay	St-Cyriac, QC	Recensement du Canada, 1891	1891 Census William Castonguay St-Cyriac, QC (Recensement du Canada, 1891)
1894	Baptism	William-Ls-Philippe Castonguay	Saint-Roch-des-Aulnaies, QC	Vital records	1894 Baptism William-Ls-Philippe Castonguay Saint-Roch-des-Aulnaies, QC (Vital records)
1894	Baptism	Ls-Philippe-William Castonguay	Riviere-du-Loup, QC	Vital records	1894 Baptism Ls-Philippe-William Castonguay Riviere-du-Loup, QC (Vital records)
1894	Burial	William-Ls-Philippe Castonguay		Vital records	1894 Burial William-Ls-Philippe Castonguay (Vital records)
1913	Burial	William Castonguay	Saint-Hermenegilde, QC	Vital records	1913 Burial William Castonguay Saint-Hermenegilde, QC (Vital records)
abt. 1915	Marriage	William Castonguay & Rosina Chevrier	Undetermined location	Vital records	abt. 1915 Marriage William Castonguay & Rosina Chevrier Undetermined location (Vital records)
1921	Marriage	William Castonguay & Albina Leblanc	Lachine, Qc	Vital records	1921 Marriage William Castonguay & Albina Leblanc Lachine, Qc (Vital records)
1923	Marriage	William Castonguay & Marie-Irene Seguin	Alexandria, On	Vital records	1923 Marriage William Castonguay & Marie-Irene Seguin Alexandria, On (Vital records)
1931	Census	William Castonguay & Rosina Castonguay	Saint-Lazare (Parish et Station), QC	Recensement du Canada, 1931	1931 Census William Castonguay & Rosina Castonguay Saint-Lazare (Parish et Station), QC (Recensement du Canada, 1931)
abt. 1941	Marriage	William Castonguay & J Seguin	Undetermined location	Vital records	abt. 1941 Marriage William Castonguay & J Seguin Undetermined location (Vital records)
abt. 1944	Marriage	William Castonguay & Irene Seguin	Undetermined location	Vital records	abt. 1944 Marriage William Castonguay & Irene Seguin Undetermined location (Vital records)
1957	Marriage	Willliam Castonguay & Joan Peltier	Blind-River, On	Vital records	1957 Marriage Willliam Castonguay & Joan Peltier Blind-River, On (Vital records)
abt. 1959	Marriage	William Castonguay & Patricia Cassidy	Undetermined location	Vital records	abt. 1959 Marriage William Castonguay & Patricia Cassidy Undetermined location (Vital records)

What are the most common first names in Castonguay family?

The most popular first names associated with the Castonguay surname.

Joseph	Pierre	Marie	Charles
Therese	Andre	Louise	Arthur
Louis	Michel	Yvonne	Jean
Paul	Rene	Marcel	Rita
Cecile	Diane	Raymond	Claude

The most popular first names associated with the Castonguay surname.

Joseph	Pierre
Marie	Charles
Therese	Andre
Louise	Arthur
Louis	Michel
Yvonne	Jean
Paul	Rene
Marcel	Rita
Cecile	Diane
Raymond	Claude

These percentages represent the proportion of all genealogy records with the Castonguay who bear each given name, based on the 8924 available.

Updated: 2025-05-20

William Castonguay: Genealogy, Obituaries, Marriages, Births

What are the most common first names in Castonguay family?