More details will help us help you Anonymous.
I have Hildebrand's in my family. Info that wouls make it easier is Mother/ Fathers names or childrens names. You may even want to start here, see link.... https://www.familysearch.org/search/trees/index#count=20&query=%2Bgivenname%3Ajohn%20%2Bsurname%3Ahildebrand%20%2Bbirth_place%3Apennsylvania%20%2Bbirth_year%3A1780-1790~&collection_id=(2 3)
Rev. Heather (nee Lash/ LOESCH) McKay