When did homeowners incorporate lawns , as we know them, on their properties?

Question

Approximately what year did it become fashionable for the average person to have a lawn?

Answer 1

I think it was post WW II, when a lot of veterans became home owners for the first time using GI Bill benefits for the house purchase.

They thought it would add a touch of class to their houses like they had seen in European mansions during the War.