Baby boy names with significance

Kate and William shocked the world when they announced that they'd named their third child Louis -- Prince Louis Arthur Charles, to be more precise. But we've been predicting a comeback for this classic name for a long time.

Luc is the sleeker Gallic cousin of Luke, and if you want to know the difference between their pronunciations, just watch Kevin Kline's hilarious description in the film French Kiss. Peter Gabriel and Sean Patrick Thomas picked this version for their sons.

Russian forms, like Russian supermodels, are hot these days. This is a strong, worldly way to make Nicholas new; it was chosen for his son by Barry Bonds, Jr. Nikolai also comes with several attractive nickname options, including approachable Nik, spunky Niko, or even hip Kai. A traditional nickname for Nikolai in Russia is Kolya.

Oliver is an international star, ranking near the top of the charts in the US and throughout the English-speaking world, along with a host of European and Latin American countries, from Norway to Chile, Slovenia to Switzerland.