Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
Mary is regular. It follows the -ies Conversion rule.
Use plural verbs: "The maries are ready" (not "is ready").
Yes. The plural maries is standard across all English variants.
The word mary follows the standard English pluralization rule. When forming the plural, mary becomes maries. This follows the -ies Conversion pattern, which is one of the most common plural rules in English.
Understanding why mary becomes maries helps with spelling and pronunciation. Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
When using maries in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The maries are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.