I'm 98% certain Anastasia is female.
According to a dataset of 18489, the average Anastasia is around 28 years old.
Feminine form of Anastasius. This was the name of a 4th-century Dalmatian saint who was martyred during the persecutions of the Roman emperor Diocletian. Due to her, the name has been common in Eastern Orthodox Christianity (in various spellings). As an English name it has been in use since the Middle Ages. A famous bearer was the youngest daughter of the last Russian tsar Nicholas II, who was rumoured to have escaped the execution of her family in 1918.
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.