You know there was a Perez, Rodriguez, Sanchez, Hernandez, Gomez, and Flores living in what became the United States long before the first Smith, Jones, Brown, Edwards, and Burke.
In what is now called Kansas? Gulf Coast, sure. But Kansas?
I know that and I have a lot of friends with those names who were born here and are all U.S. citizens. That wasn’t meant to be racist...just pointing out how easy it would be for a crooked pollster to construct a poll sample that would have very low probability of having any illegal aliens on it.