More short tubby lawmen than tall, tall, lanky ones, I bet.
I don't know about that. I think folks were lean and better excersized back then. I always makes me laugh when I see civil war reinactors and they are all fat. Those guys were slim from all the marching and the boys from the south looked like scarecrows. They were some very hungry people. And from the photos I have seen from the later western period they didn't look too overfed either.
I think life in the 1840s and even a few decades later were very tough times for most people. I don't think most living today have even the slightest clue what people lived a century ago. Or even what they lived 60-80 years ago.