It seems
in reply to a message by Profe Esteban
an adaptation to Spanish (because of the accent) in Uruguai and Argentina of an Italian surname: Podestà (with the origin and meaning that you cited).
Lumia
http://onomastica.mailcatala.com
Lumia
http://onomastica.mailcatala.com
Replies
You´re right, Lumia, thanks.