What this record can establish
A census can place a person in a household on a particular date and may provide age, birthplace, occupation, relationship, citizenship or property information. It does not prove every stated relationship or exact birth date. The respondent may be unknown, ages may be rounded and absent household members can disappear from the snapshot.
How to search without missing people
Search surname variants, given-name initials, neighbours and places, then browse the original schedule around a likely household. Follow the same family across consecutive censuses and note boundary or district changes. When a person is missing, test migration, institutional residence, military service, death and indexing errors before assuming two identities.
How to evaluate and cite the result
Cite the census authority and year, jurisdiction, district and subdistrict, enumeration area or schedule, page, household or line and image provider. Transcribe relationships as recorded, not as later conclusions. Compare census claims with civil, church, land and probate evidence before fixing a birthplace or parent-child relationship.