First name content excerpted from The Complete Idiot's Guide to 30,000 Baby Names © 2005 by Marcia Layton Turner. Buy this book online or call 1-800-253-6476.
Last name content copyright © 2006 Patrick Hanks.
Last name origin & meaning:
Italian: topographic name from an old Venetian dialect word zadro ‘theatre’. The term has survived in the names of various Venetian streets and squares which once housed theatres.