Keep in mind it is not the number of generations in your family tree that is important. What is important is that each generation be documented accurately. Bigger is not always better.
Are you using an 1820 census enumeration where the names appear to be listed in roughly alphabetical order? Census takers and some tax collectors, in an attempt to be helpful, roughly sorted names by the first letter of the last name. The problem for genealogists is that this strips the record of all sense of neighborhood. Keep this in mind when you think all the “B”s in an area lived together. No group of people are that organized.
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