the hereditary surname of a family.
a given name frequently used in a family.
Origin of family name
First recorded in 1690–1700
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for family name
The writer considers the last-named forest to be that of Wede or Woden; and derives thence the family-name Weede.
His name was my family-name; he was tall and youthful, like my Captain.Pages From an Old Volume of Life|Oliver Wendell Holmes, Sr.
British Dictionary definitions for family name
a surname, esp when regarded as representing the family honour
a first or middle name frequently used in a family, often originally a surname
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012