Most knives of the 1800's and earlier used in the USA were imported from the big name cuttlers of Solgen, Germany and Sheffield, England.
Until The Russell Green River Works started producing knives, there really wasn't a cutlery industry here.
Blacksmiths made knives, of course. Most were probably adequate.
The imports were of high quality.
I imagine the blades were "soft" by today's standards, but consider that many users were using smooth river rocks they picked up at different camp sites to sharpen their knives when out in the boonies/sticks.
(Why carry an expensive and heavy soft or hard Arkansas sharpening stone that may get lost or broken?
That extra weight could be used for more practical things like gun powder, lead, percussion caps or flints, salt, flour, coffee/tea, etc.)
Actually, the most common "frontier knife" in the 1800's and prior was a butcher knife.