I'm 98% certain Alexandra is female.
According to a dataset of 114238, the average Alexandra is around 27 years old.
Feminine form of Alexander. In Greek mythology this was a Mycenaean epithet of the goddess Hera, and an alternate name of Cassandra. It was borne by several early Christian saints, and also by the wife of Nicholas II, the last czar of Russia. She was from Germany and had the birth name Alix , but was renamed Александра (Aleksandra) upon joining the Russian Church.
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.