I know that some people attempt to obtain Bibles with family records to rehome, which is such a great thing to do.
Others have old bibles in their family, or copies of family records from bibles.
I just would like to put out the request to please transcribe the bible entries (along with pertinent information like bible publisher, publishing date, any other notes in bible, etc) and post to a site like ancestry so that other descendants have a chance to see them.
You may also want to send a copy to pertinent historical societies. For example, NEHGS in Boston has a bible family record collection project- just send in copies. Maine Genealogical Society is also interested in printing Maine-related bible family records in their journal. It's a great way to find other descendants, and also to preserve the records for future generations.
So often when the bibles are not transcribed, they are lost or damaged when in a private collection, or heirs have no interest and throw out the bibles, and the information is lost forever.