Yes, the plural for Smith is Smiths, and the plural possessive is Smiths'.
Do not forget to capitalize names; names are proper nouns.
The plural possessive form of "smith" is "smiths'".
To form the plural possessive form for names, add an apostrophe and an "s" after the plural form of the name. For example, if the name is "Smith" and it is pluralized as "Smiths," the plural possessive form would be "Smiths'.
To form the possessive plural of a surname ending in s, add only an apostrophe after the s. For example, the possessive plural of the Smiths would be the Smiths'.
possessive plural word for the bishops: bishops'
The plural possessive noun for "sisters" is "sisters'".
The plural possessive is dimes'.
The plural is queens. The plural possessive is queens'.
The plural is inventories. The plural possessive is inventories'.
The plural is stars. The plural possessive is stars'.
The plural possessive form of the word "server" is "servers'".
The plural possessive form is glasses'.
The singular possessive form for stockholder is stockholder's.