Simple Definition of last name
: the name that comes at the end of someone's full name
Full Definition of last name
: surname 2
Examples of last name in a sentence
His first name is John and his last name is Smith.
<please write your first name, middle initial, and last name at the top of the form>
First Known Use of last name
Seen and Heard
What made you want to look up last name? Please tell us where you read or heard it (including the quote, if possible).