Sometimes, our ancestors drop out easily when we search for them on one of the big sites such as FamilySearch or Ancestry. Sometimes they don't. The video, below, has a number of good suggestions about those thorny census problems.
Searching for Ancestors
It is also believed, with some reason, that information was lost around 1890 because the US Census for that year was largely lost in a fire. However, that is a time when many states were taking Censuses. Another video, below, discusses how to work around the "1890 Gap."
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Working Around the 1890 Census "Gap"
