Originally Posted by GAC
It's an interesting read. The name "Clark" has been traced back to the Middle Ages, primarily Ireland and Scotland, and was derived from "clerk, cleric", meaning "one who can read and write".
Allow me to be of some assistance.
You left out a key part of that derivation. I believe it means "one who can read and write, and write, and write, and write, and write......"
That is all. Carry on.