There is a20 yr gap in the census records as the 1890 census was destroyed by fire in the 1920's.So add 20 years to everyon'e age for the 1900 census.
NOTE - 1850, 1860 & 1870 census records do not show family relationships, marital status or parental birthplaces.
Step children are not enumerated as “step” children Adopted children are not enumerated as “adopted” Grand children are not enumerated as “grand children” Orphaned children were not enumerated as "orphan"
1850 is the 1st census that shows all family members
1880 is the 1st census that shows parental birthplaces and family relationships +++