Hi,Here are the forms for singular, singular possessive, plural and plural possessive family names.
Singular:
Tom Taylor Ed Smith Jim Jones
Singular Possessive:
Tom Taylor �s house Ed Smith �s house Jim Jones �s house
Plural:
The Taylors The Smiths The Joneses
Plural Possessive:
The Taylors � house The Smiths � house The Joneses � house
Tom Taylor lives in Tom Taylor �s house.
The Taylors live in the Taylors � house.
Jim Jones lives in Jim Jones �s house.
The Joneses live in the Joneses � house.
I hope this helps you. People try to make it much more complicated, but this is it.
Bruce