According to his marriage record, Austin was from Wayne Township in Ashtabula CO. If you look through the tax records of Ashtabula there was only one man listed in that time period. The man's name was Samuel L. Holcomb. Seems like a logical man to research for a possible father of Austin.
Hope this helpshttps://familysearch.org/pal:/MM9.1.1/J9WC-JZF