Where is Sienna from?

Meaning of the name Sienna

From the English word meaning "orange-red". It is ultimately from the name of the city of Siena in Italy, because of the colour of the clay there.

Characteristics of the name Sienna

How do we know this about Sienna

(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.