core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

familyName

Canonical URL: http://schema.org/familyName

Thing > Property > familyName

Family name. In the U.S., the last name of an Person. This can be used along with givenName instead of the name property.

Usage: Between 10,000 and 50,000 domains
Values expected to be one of these types
Text
Used on these types
Person

Schema Version 3.2