Interesting. In my 30 years in CA I’ve never encountered it.
My 1st husband was from NM-his mom’s surname was common in the area they were from, but I’d only heard it a few times here, even though it was a Basque name, common to the Pyrenees, just like mine...
Ever since MrT5 was stationed there, I’ve thought Cali was a whole different world of Hispanic ancestry than Texas, NM, Arizona, etc-they are not like the rest of us-even the dialect is a bit different...