Whose House Four

(Update) Well. I’ve finally found one that took more than a day to figure out. Commenter Eric, who is very observant, wonders who would have a picture of Oliver Cromwell on the wall. A fine clue, that. I’ll tell you no one Irish would have that picture. I bet it was the father of the object of our architectural affections, who built the house. The fellow we’re looking for eventually moved right down the street, and lived for a good long time at that address, too: