Montgomery, West Virginia (Not known whether it was named for Richard Montgomery or some other person.)
Counties:
Montgomery County, Alabama (This county was not named for Richard Montgomery, but for another general, Lemuel P. Montgomery; oddly, the city of Montgomery in it was named for Richard Montgomery.)
Montgomery County, Pennsylvania (there is some question as to whether this one was named for Richard Montgomery. It seems to be the case, but it is uncertain.)
Montgomery County, Tennessee (This county was not named for Richard Montgomery, but for John Montgomery, a local settler)
Montgomery County, Texas (This county was not named for Richard Montgomery, but for its largest community, the town of Montgomery, and therefore indirectly for Andrew Montgomery, as stated above)
The original Montgomery was a place in France and, by extension, the surname of the Norman family who originated there. A member of this family, Roger de Montgomery, founded the town and castle of Montgomery, Wales, later the county town of Montgomeryshire.
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