Horace foster was born in St. George, Maine. He married Nancy Libby and lived in Machiasport, Maine. His parents were Francis foster and Sarah ?. Sadly her maiden name can only be found on one known document, and to date no one has been able to read what her maiden name was. The link below takes you to the online document, Her name is the one below Francis Foster.
the official document can be see at the link below.