The parenting site BabyCenter.com gathered data from more than 340,000 parents in the world, it said, though the findings are unofficial.
Along with Lux, Instagram filter names Ludwig, Amaro, Reyes, Hudson and Kelvin have also increased in popularity for boys, while Juno, Valencia and Willow jumped in popularity for girls.
BabyCenter.com, the pregnancy and parenting site also said names of planets and characters on the hit TV show Empire were trending this year. The name Royalty also jumped 88% in popularity for girls.
Here is BabyCenter.com's top 10 most popular names for both genders this year: