| age at first marriage | 1930 |
| age, sex, race of each individual in household | 1850 forward |
| agricultural schedules | 1850-1880 |
| attendance in school | 1850 forward |
| birth date (month/year) of each person | 1900 |
| birthplace of each person | 1850 forward |
| birthplace of parents | 1880 forward |
| veterans: pensioners | 1840 |
| chronic or acute illness, length of time afflicted | 1890 |
| Civil War veteran, Union or Confederate | 1910 |
| Civil War veteran, Union or Confederate, or widow | 1890 |
| crippled, maimed, deformed | 1890 |
| deaf, dumb, or blind | 1850-1890, 1910 |
| defective in mind | 1890 |
| defective, dependent, delinquent schedules (DDD) | 1880 |
| disabled: crippled, maimed, bedridden, or other disability | 1880 |
| employer, self-employed, or wage earner | 1910-1930 |
| farm owned free of mortgage | 1890 |
| farm owned or rented | 1890 |
| home or farm as residence | 1890-1910, 1930 |
| home owned free of mortgage | 1890-1920 |
| home owned or rented | 1890-1930 |
| illness, current, or temporary disability | 1880 |
| immigration year | 1900-1930 |
| industry/manufacturing schedules | 1820, 1850-1880 |
| insane, idiot | 1850-1880 |
| language, native | 1890, 1910-1930 |
| male, eligible/not eligible to vote | 1870 |
| marital status | 1880 forward |
| married within the[census] year | 1850-1890 |
| month of birth if born within the year | 1870-1880 |
| month of marriage, within the [census] year | 1870 |
| months attending school | 1900 |
| months unemployed | 1880-1900 |
| mortality schedules | 1850-1880 |
| mother of how many children, # living | 1890-1910 |
| name of each individual in household | 1850 forward |
| name of head of household only | 1790-1840 |
| native language of parents | 1920 |
| naturalized citizen or first papers | 1890-1930 |
| number and age groups of slaves owned | 1790-1860 |
| number of years in US | 1890-1900 |
| number of years of present marriage | 1900-1910 |
| occupation | 1850 forward |
| parents, whether foreign born | 1870 |
| pauper or convict | 1850-1860 |
| persons unable to read and/or write | 1850-1880 |
| prisoner, convict, homeless child,pauper | 1890 |
| radio set in home | 1930 |
| reading and writing, whether able to read or write | 1890-1930 |
| relationship to head of household | 1880 forward |
| slaves by age, sex, color, etc. | 1850-1860 |
| social statistics schedules | 1850-1880 |
| Soundex | 1880 forward |
| speaks English | 1890-1930 |
| street address of family | 1880 forward |
| Union vets and widows, special schedule | 1890 |
| value of home or monthly rent | 1930 |
| value of personal estate | 1860-1870 |
| value of real estate owned | 1850-1870 |
| veteran of U.S. military or naval forces, which war | 1930 |
| whether person worked yesterday or number on unemployment schedule | 1930 |
| year of naturalization | 1920 |