More than 27 census records are available for the LeDuc family, from both 1901 and 1911.
Sample 1901 Témiscouata census records about the LeDuc family available from Ancestry.ca:
A LeDuc family household of at least 4 members residing in the district of Témiscouata was recorded in 1901. The head of household, Joseph LeDuc, was born in Quebec in 1851. He identified his heritage as French. By 1901, at the age of 49, he had an occupation that was recorded as "Journalier". Joseph's wife was Belaerice LeDuc, who was 39 years old. Belaerice was born in Quebec in 1861. She also identified her heritage as French. Joseph and Belaerice had 2 children, both girls. In 1886 the older girl, M Louise, was born. Three years later, in 1889, when Joseph was 38 years old and Belaerice was 28 years old their second daughter, who was named M Anna, was born.