Natalia is a female given name with the original Late Latin meaning of "Christmas Day" (cf. Latin natale domini). It is currently used in this form in Italian, Romanian, Spanish, Portuguese, Greek, Russian, Ukrainian, Bulgarian and Polish.
Natalie is a female given name derived from the Late Latin name Natalia meaning "Christmas Day" (cf. Latin natale domini). This form is found in many languages, but is especially common in German, Dutch and English speaking countries as well as Scandinavia.
Natalya (Russian: Наталья) is the Russian form of the female given name Natalia. The name Natasha, being originally a diminutive form of Natalya, became an independent name outside the Russian-speaking states since late 1800s.
French Meaning: The name Nathalie is a French baby name. In French the meaning of the name Nathalie is: Birthday; especially the birthday of Christ.
Italian Meaning: ... In Italian the meaning of the name Nicci is: Victory.