There was a time, albiet short, that another Sferra lived in the Lone Star State. I lived in Houston from '70-'73. Loved that state. Here in Jersey, there are quite a few Sferra's. My family comes from Carroville, Italy.
To find another Sferra in Texas, check out the folling Url:
http://www.ci.wylie.tx.us/PublicInfo/PressReleases/11-15-200...