From the name of the River Shannon, the longest river in Ireland, called Abha an tSionainn in Irish. It is associated with the goddess Sionann and is sometimes said to be named for her. However it is more likely the goddess was named after the river, which may be related to Old Irish sen "old, ancient" [1]. As a given name, it first became common in America after the 1940s.
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.