“Lynch Farm, St. Mary’s County, Maryland,” 1936 or 1937, by Frances Benjamin Johnston, via Library of Congress Prints and Photographs Division.
You can scroll through over a year’s worth of Sunday porches here.
Click on any thumbnail in the gallery below to scroll through larger versions of the photos.
enclos*ure 
That is so adorable! Isn’t it amazing what a little fancy trim will do for a home?
It goes with the ruffles on the white curtains that you can just see in the upstairs windows.