Style: Antique Charm, Nickname-Proof, Nicknames, Why Not?
Sisters: Clara, Lettie, Zella, Eva, Belle
Brothers: Milo, Casper, Anton, Mose, Charlie
Theo has been missing in action since the '30s. Not even a role in the hugely popular Cosby Show in the '80s could give the name a boost. But what's not to like? Theo's not as ponderous as Theodore, yet boasts authentic turn-of-the-century cool. A good match for the trendier Max and Sam.