Noah Webster
They
THEY, pronoun plural ; objective case, them.]
1. The men, the women, the animals, the things. It is never used adjectively, but always as a pronoun referring to persons, or as a substitute referring to things.
THEY and their fathers have transgressed against me. Ezekiel 2:3.
THEY of Italy salute you. Hebrews 13:10.
Blessed are they who hunger and thirst after righteousness. Matthew 5:4.
2. It is used indefinitely, as our ancestors used man, and as the French use on. they say, [on dit, ] that is, it is said by persons, indefinitely.