The name Arizona is a girl's name of Native American origin meaning "little springs". Arizona and is often added to lists like American Names for Girls and discussed in our forums with posts like "Outlandish this-or-that [girls]".
From the experts:
This unusual and evocative southwestern place name was picked for his daughter by former Everclear frontman Art Alexakis. It popped up as a first name on the quirky Dr. Arizona Robbins, introduced on Grey's Anatomy in 2009, played by Jessica Capshaw.
Not so admirable namesake: the notorious criminal "Ma" Barker was born Arizona Clark. Though her name would not have been such a radical choice at that time--Arizona was widely used in the late nineteenth and early twentieth century, peaking at Number 510 in 1882--which was before Arizona became a state.