More than 54 census records are available for the Sexsmith family, from both 1901 and 1911.
Sample 1901 Lennox census records about the Sexsmith family available from Ancestry.ca:
A Sexsmith family household of at least 8 members residing in the district of Lennox was recorded in 1901. The head of household, Thos Sexsmith, was born in Ontario in 1861. He identified his heritage as Irish. By 1901, at the age of 39, he had an occupation that was recorded as "Farmer". Thos's wife was Mary E Sexsmith, who was 34 years old. Mary was born in Ontario in 1866. She also identified her heritage as Irish. Thos and Mary had 6 children, 4 boys and 2 girls. In 1890 their eldest child, a boy named John, was born. Three years later, in 1893, when Thos was 32 years old and Mary was 27 years old their second son, who was named James, was born. Then, in 1895, with their two older sons ages 5 years and 2 years, their third child, Mary, was born. In 1901 another son, their fourth child and third boy, William, was born. With four other children in the household, their fifth child and second girl, Catherine, was born in 1898. She was followed by 1 more child: their son Geo, born in 1900. Thus, at the time of the 1901 census, this Sexsmith family household was filled with 6 children whose ages were 1, 2, 3, 6, 7, and 10 years.