Answer: surnames

AnswerCrossword Clue
SURNAMES

They're not given

SURNAMES

Brown and Green, e.g.

SURNAMES

Last things written on applications?

SURNAMES
Few are chosen
SURNAMES
Smith and Jones
SURNAMESLondon and Berlin, e.g.
SURNAMESPatronymics.
SURNAMESAppellations.
SURNAMESWashington, Adams and Jefferson
SURNAMESSmith and Jones, e.g.
SURNAMESCognomens
SURNAMESThey're alphabetized in phone directories
SURNAMESCurrier and Ives, e.g.
SURNAMESFamily identifiers
SURNAMESAbbott and Costello, for two