The name Cimarron is a girl's name of American origin. Cimarron and is often added to lists like American Names for Girls and discussed in our forums with posts like "Heaven / Hell / Purgatory Girls".
From the experts:
Cimarron is a Great Plains city and river name used by Edna Ferber as the title of a popular novel. Cimarron is one of those vintage literary names that, like Scarlett and Atticus, may finally be ready for widespread use. Cimmaron is another spelling.