* Some letters could be easily confused with each other: H and K, C and E, G and S, F and T, U and V (especially when capitalized). Also, lower-case j, g, and z were often difficult to discern. If you don't see your person of interest listed under the "H"s, for example, then check also under "K".
* Some census-takers were "creative" spellers (see Napavine, for example). You may have to scroll through the every-name index to search for alternative spellings.
First column (not numbered): Address (street names are written in the margins on the left side)
Column 1: Dwelling #
Column 2: Family #
Column 3: Name
Column 4: Relationship to head of household
Column 5: Gender
Column 6: Race
Column 7: Age
Column 8: Marital Status (often with # of marriages; m1 = first marriage)
Column 9: Number of years of present marriage
Column 10: (Women only) Number of children born
Column 11: (Women only) Number of children alive in 1910
Column 12: Birthplace of person (and mother tongue, if foreign-born)
Column 13: Birthplace of person's father (and mother tongue, if foreign-born)
Column 14: Birthplace of person's mother (and mother tongue, if foreign-born)
Column 15: Year of immigration, if foreign-born
Column 16: Whether naturalized or alien, if foreign-born
Column 17: If able to speak English, or if not, language spoken
Column 18: Occupation
Column 19: Industry employed in
Column 20: Class of worker ("W" - employee; "OA" - self-employed)
Column 21: If an employee, whether out of work during the year
Column 22: Number of months not employed
Column 23: Able to read
Column 24: Able to write
Column 25: Currently attending school?
Column 26: Own home or rent
Column 27: If own a home, is it mortgaged or freely-owned?
Column 28: Farm or House?
Column 29: Survivor of the Union or Confederate Army or Navy?
Column 30: Blind?
Column 31: Deaf and Dumb?
There are often numbers recorded in the last four columns; according to the U.S. Census Bureau, these numbers were recorded by the enumerator for statistical purposes - they are not specific to the individuals listed on the census. [Note: Research by has indicated that the numbers in these last columns "are of value because the numbers refer to the occupations and place of employment of the person..."]