United States Census Defective Schedules

Availability
Some schedules of Defective, Dependent, and Delinquent (DDD) Classes for 1880 can be found on microfilm at the National Archives and for some states at the FamilySearch Library. The National Archives has microfilms for Georgia, Kansas, Kentucky, Louisiana, Massachusetts, Montana, Nebraska, Ohio, Pennsylvania, Tennessee, Texas, Virginia, Washington, and the District of Columbia.

Historical Background
In 1880 separate supplemental schedules were taken of Defective, Dependent, and Delinquent classes of the population. These are in addition to the questions on the population schedules about mental and physical defects. Note that those in institutions are also found in the population schedules.

Content
 1880 schedule lists individuals by name who were:

Insane

Idiots

Deaf-mutes

Blind

Homeless Children

Inhabitants in Prison

Pauper and Indigent

Websites
NARA: http://www.archives.gov/research/census/nonpopulation/