Thanks, but who are you?

Is it bad to say that to me all 60ish, white-haired ladies look the same?

This 60ish white-haired lady, driven in a minivan by her husband, just pulled up on the driveway, waved at me through the window, and when I opened the door handed me homemade chocolates and said "Merry Christmas!" I said "Thank you!" and closed the door.

I have no idea who she was.

I kept watching, thinking maybe it was a neighbor from across the street. I just joined the church they belong to, and thought maybe it was a welcome to the fold Christmas gift. I had it all figured out when the van pulled into their driveway.

Then it pulled out again, after probably dropping off a similar present. So, probably she was from church?