Nathalie is the French spelling of Natalie, which goes back to the Latin natalis dies, the "birthday" of Christ, and so means "born on Christmas Day". The name was traditionally given to girls born around Christmas. In the United States Nathalie ranked number 573 in 2000, peaked at number 489 in 2009 and has slipped since, leaving the top 1000 in 2021 and standing at number 1481 in 2025.