Otoe
cushion, pincushion, fashion
Claire, Cherie, Connie
Xanthus Avenue is the name of a street in Tulsa, Oklahoma
The Zemolina Fault
There is no president who meets your criteria.
The Miccosukee tribe is a Native American tribe located in Florida. It has three letters in its name.
SAC
Ada and Jay.
Kia
There are the Choctaw, but they are in Oklahoma.
CorrineDarleneJustineLouanneLee AnneMarlene
There hasn't been one with three letters beginning in u and ending in n.
That would be Oklahoma City, Oklahoma.
Pisa, a city in Italy.
If that's three letters, it's "boa."
dikdik
CorrineDarleneJustineLouanneLee AnneMarlene