Intricate round windows must have been a popular theme with church designers in the 1800's in the Ironton, Oh area.

The first four are all on the second story and appear to be around 10 or 11 feet in diameter.

About three feet in diameter, this one needs a little work.

Originally a window damaged beyond repair, it was replaced with brickwork. And, not a bad job either.

There's four circles in this one. At least.