The name Sofia is of Spanish origin and means "Wisdom." The origin is the culture in which the name originated, or in the case of a word--the language in which it most appears.
There are many variations of the spelling of Sofia throughout the world, but the most common American alternate spelling is Sophia. Other alternate spellings include Sofiya and Sofea, among others.
The most famous Sofia today is Sofia Vergara from the television show Modern Family. She was also named one of Forbes Magazine's most powerful women. Actresses named Sophia include Sophia Lauren and Chicago P.D.'s Sophia Bush. Sofia Coppola is a director and daughter of filmmaker Frances Ford Coppola, so she may be considered one of the celebrity daughters that caused the name's boom in popularity in the United States.
Fictional characters range from Disney's Sofia the First to Sophia Peletier from The Walking Dead to Sophia Petrillo on The Golden Girls.