Whilst it is more common to see it just with an apostrophe on the end, e.g. Lucas', it is actually more correct to write it with an extra s, e.g. Lucas's.
The noun daffodil has a normal S plural, daffodils.
Since the last name ends in an -s, we treat it just like any other noun that ends in -s. We add -es to the end of the noun to form the plural: Morrises
If Williams is a family name, the plural would be the Williamses.
When a family name is pluralized you almost always add -s, unless the name ends in s, x, ch, sh, or z in which case you add -es.
A noun ending in -s forms the plural by adding -es to the end of the word.The singular proper noun Russ becomes the plural noun Russes.
if the object is plural and the plural ends in s or if it is a name that ends in s and has two or more sylables
When a persons name ends with a 'y', you make it plural by adding an 's' after the 'y'. Examples: There are two Marys in my class. The Murphys live next door to us.
It is a normal S plural, worms.
The plural is a normal S plural, associates.
The plural is a normal S plural, races.
Since all plural form ends with an s... the plural form is " ' " Example : In Italy all vincents' are all marias' cousins if not siblings
It's the last name with an 's on the end. Unless the last name ends in s and then you just add '. Smith - Smith's Janus - Janus'
The plural is a regular S plural, instruments.
The noun daffodil has a normal S plural, daffodils.
The plural of hemisphere is the ordinary S form hemispheres.
The noun nominee has a normal S plural, nominees.
The word apostrophe has the normal S plural apostrophes.