Below are photos that show the trends of porches in my city.
Here, my neighborhood, no porches:
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Here, Tower Grove area houses built a generation later, small porches on big houses:
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Here, small house built a generation after the above in Tower Grove with massive porch
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Very few houses had carriage entries, those are usually on the side of houses built by wealthy people, and they were a transitional stage for both horses and automobiles.
Most people didnt keep a horse and carriage, they hired it when needed from the stable up the street.
We have a large number of "carriage stones" in my neighborhood that are left over from the days when peope took carriages and stepped out of the high carriage onto the stone, then onto the ground.