More than 103 census records are available for the McLellan family, from both 1901 and 1911.
Sample 1901 Antigonish census records about the McLellan family available from Ancestry.ca:
A McLellan family household of at least 9 members residing in the district of Antigonish was recorded in 1901. The head of household, John McLellan, was born in Nova Scotia in 1830. He identified his heritage as Scotch. By 1901, at the age of 70, he had an occupation that was recorded as "Farmer". John's wife was Catherine McLellan, who was 51 years old. Catherine was born in Nova Scotia in 1850. She also identified her heritage as Scotch. John and Catherine had 7 children, 3 boys and 4 girls. In 1870 their eldest child, a girl named Christy, was born. Three years later, in 1873, when John was 43 years old and Catherine was 23 years old their second child, this time a son, who was named Roderick, was born. Then, in 1881, with their two children ages 11 years and 8 years, their third child, Catherine, was born. In 1901 another son, their fourth child and second boy, John, was born. With four other children in the household, their fifth child and third boy, Malcolm, was born in 1885. He was followed by 2 more children: their daughter Flora, born in 1887; and their daughter Mary, born in 1887. Thus, at the time of the 1901 census, this McLellan family household was filled with 7 children whose ages were 13, 13, 16, 17, 19, 27, and 30 years.