Perez v. Peres: "z" v. "s"

a non member of the group sent this message in and I would like to send
him any comments the group might offer:

Joseph,
I'm noticing that as I dig into the 1800s that names like perez, cruz,
gonzalez are appearing as peres, crus, gonzales.
I'm actually per the Mexican 1930s Census a Peres, not a Perez. Have
you encountered this? Any light to shed? Is there a sephardic or
portuguese connection?
Thanks!
Joel

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joseph

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Joseph Puentes
NoMeat@h2opodcast.com
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