Can someone lie and not know they are lying?

Originally Posted by RevDWW

Years ago I had lunch with an HR person, that had hired me into a firm, after my first couple of weeks of work. It was the weirdest lunch I've pretty much ever had. Everything I brought up in conversation she had some kind of link to it. I mentioned my church, she said her and her husband had gotten married there (they had not), I mentioned a day care my son was attending and she knew the second grade teacher, named her, but she was not there.
She seemed sincere and would have been believable if I didn't really know it. I think she was just trying to find common ground, by was just making things up to get there. Weird I tell yeah!

Can people lie without even knowing they are lying?

No. A lie necessitates that you know that what you're saying is not true. Perhaps she was trying to find common ground (in an Al Gore "I discovered Love Canal" or "I invented the Internet" kind of way). There's one way to find out: ask her.