The 1841 census recorded people's names, age, sex, occupation, and if they were born in the county of their residence, and if they were born anywhere other than in England and Wales. Children under 15 were to have their age recorded accurately, while those over 15 were to be rounded down to the nearest 5 years so, for example, someone aged 63 should be recorded as aged 60. However, not all enumerators followed this instruction and exact ages may have been recorded.