Where is Andrei from?

Origins of the name Andrei

Origins Romanian, Russian, Bulgarian, Belarusian, Old Church Slavic

Pronounced un-DRYAY(Russian)

Gender Masculine

Traits include: classic, mature, formal, wholesome, strong, refined, strange, simple, serious, nerdy

Romanian form of Andrew, as well as an alternate transcription of Russian/Bulgarian Андрей or Belarusian Андрэй (see Andrey).

How do we know this about Andrei

(and is it secret spies?)

We use a combination of data from the internet, and our own Machine Learning models to make these predictions.
In a gist, we use a Machine Learning model trained on a diverse global dataset of 100m+ names, and use it to predict different traits for a person based on first name!
NameGuessr guesses a person's nationality, age, and gender based on their name. We also try to give insightful info around the name's origin, name meaning, and name pronounciation.