I wanted to let you know we’ve just uploaded a new genealogy Cheat Sheet to our online Research Toolkit: A state-by-state listing of where to find 1880 supplemental census schedules of “defective, dependent and delinquent" classes (“DDD schedules” for short).
Download it as a PDF from our Record References page
You'll know to look for your ancestor in DDD schedules if his 1880 US census listing has a mark in columns 15 through 20, showing whether he was ill or had a physical or mental disability. If so, DDD schedules might give more information about his condition or reasons for being institutionalized.
These special schedules, recorded only for the 1880 US census, aren’t in online databases such as Ancestry.com
’s. Some states’ DDD records are on microfilm at the National Archives
and/or genealogy libraries; other states' records are in original form at state archives and libraries. Few are indexed.
We can’t promise our listing is comprehensive, but it does give locations and Web site addresses of repositories where we could find DDD records for each state or territory. If you’re still having trouble finding DDD schedules for your ancestor, start by contacting the state archives where he lived.
For help using DDD and more special census records—including agriculture, manufacturing, mortality, slave and other schedules—look for our guide in the July 2009 Family Tree Magazine
. It starts mailing to subscribers this week.