Only
3, 4, and 7 are correct.
Examples
1 and 2 are problematic for two reasons:
First,
the apostrophe makes the names possessive, and when we send greetings, they are
from us, not from something we own. The names Smith and Williams would
need to be in the possessive case only if the greetings were from Jane Smith’s
hamster or John Williams’s goldfish. (Yes, reputable style guides consistently advocate the use of the
additional s after the apostrophe for
most singular words in the possessive
case—even those that end in s. We will address this issue more fully in a future article.)
Second,
examples 1 and 2 are wrong because the names are singular possessive. Since the writer intends for
the greetings to come from all of his or her family members, the name needs to be plural (but, as we have already noted,
not possessive):
Singular names:
Smith, Williams
Singular
possessive names:
Smith’s, Williams’s
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