Explanation of 1880 census columns

1. Dwelling houses numbered in order of visitation.
2. Families numbered in order of visitation.
3. The Name of each Person whose place of abode, on 1st day of June, 1880, was in this family.
4. Color--White, W; Black, B;, Mulatto, Mu; Chinese, C; Indian, I.
5. Sex--Male, M; Female, F.
6. Age at last birthday prior to June 1, 1880. If under 1 year, give months in fractions, thus: 3/12.
7. If born within the Census year, give the month.
8. Relationship of each person to the head of this family--whether wife, son, daughter, servant, boarder, or other.
9. Single. /.
10. Married. /.
11. Widowed. /. Divorced. D.
12. Married during Census year. /.
13. Profession, Occupation, or Trade of each person, male or female.
14. Number of months this person has been unemployed during the Census year.
15. Is the person [on the day of the Enumerator's visit] sick or temporarily disabled, so as to be unable to attend to ordinary business or duties? If so, what is the sickness or disability?
16. Blind. /.
17. Deaf and Dumb. /.
18. Idiotic. /.
19. Insane. /.
20. Maimed, Crippled, Bedridden, or otherwise disabled. /.
21. Attended school within the Census year. /.
22. Cannot read. /.
23. Cannot write. /.
24. Place of Birth of the person, naming State or Territory of United States, or the Country, if of foreign birth.
25. Place of Birth of the Father of this person, naming the State or Territory of United States, or the Country, if of foreign birth.
26. Place of Birth of the Mother of this person, naming the State or Territory of United States, or the Country, if of foreign birth.