In 2018, 3 is the most common age for an American (U.S.) Alessia who is registered female with the Social Security Administration. It is the 6074th most common female first name for living U.S. citizens.
― Anonymous User 10/19/2018
2
The name Alessia was given to 344 girls born in the US in 2016.
― Anonymous User 6/7/2017
2
The name Alessia was given to 213 girls born in the US in 2015.
In Italy Alessia became popular in the 1970s (before it was absolutely rare). It was the 2nd most popular name in Rome in 1976 (behind Francesca), the 6th in 1981, and it's still very fashionable (5th in Italy in 2004, 6th in 2006).