While most of these West Coast names align with the national popularity list, there are certain points of divergence. Sebastian, which is the third most popular name for baby boys born on the West Coast, is only No. 22 on the national list of baby names. Mateo and Julian also appear in the West Coast top 10, but are No. 42 and No. 36 on the national list.
and there is much more about up and trending names........https://www.huffpost.com/entry/popular-baby-names-west-coast_n_5c3301aae4b0bcb4c25d6775