The name Diana also has the usages of Greek and Greek Mythology. So, I think that the usages of Greek and Greek Mythology should be added to the "Usages" section.Sources: https://en.wikipedia.org/wiki/Diana_(name) (Origin and diffusion section)
In 2018, 53 is the most common age for an American (U.S.) Diana who is registered female with the Social Security Administration. It is the 153rd most common female first name for living U.S. citizens.
― Anonymous User 10/17/2018
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Also used in Greece (Ντιάνα), variant transcription of Ntiana.
The name Diana is also commonly used in Georgia.In Georgian, Diana is written as: დიანა.A known bearer of this name is Diana Gurtskaya (b. 1978), a blind Georgian singer of Russian descent.