Says The Ancestor Hunt blog
Whether you search online, or offline at libraries, courthouses, or archives, many times our ancestors can be elusive.
Sometimes they just cannot be found. Whether it be a birth date, census entry, or death date - or anything else of interest to us - we just can't seem to "score."
There are lots of reasons why we aren't successful, but many are because of our own limitations - and especially because we are just too limited in our thinking, and sometimes either inexperienced, or unwilling to try new things.
Below are just a few reasons why we can't find our ancestors online: