Holy Herb's

*Moses

masc. proper name, name of the Hebrew prophet and lawgiver, Middle English Moises, from Latin, from Greek Mouses, from Hebrew MOS-heh, which is of unknown origin.

*Aaron
masc. proper name, in the Old Testament the brother of Moses, from Hebrew Aharon, which is said to be probably of Egyptian origin. The Arabic form is Harun. Related: Aaronic. Aaron's beard as a popular name for various plants (including St. John's wort and a kind of dwarf evergreen) deemed to look hairy in some way is from 1540s. Aaron's rod is from 1834 in botany, 1849 in ornamentation; the reference is biblical (Exodus vii.19, etc.).

*Miriam
fem. proper name, biblical sister of Moses and Aaron (Exodus xv.20), from Hebrew Miryam (see Mary).

*Mary
fem. proper name, Old English Maria, Marie, name of the mother of Jesus, from Latin Maria, from Greek Mariam, Maria, from Aramaic Maryam, from Hebrew Miryam, name of the sister of Moses (Exodus xv), a word of unknown origin, said to mean literally "rebellion."

The nursery rhyme "Mary had a Little Lamb" was written early 1830 by Sarah Josepha Hale of Boston and published September 1830 in "Juvenile Miscellany," a popular magazine for children. Mary Jane is 1921 as the proprietary name of a kind of low-heeled shoe worn chiefly by young girls, 1928 as slang for marijuana. Mary Sue as a type of fictional character is attested by 1999, from the name of a character in the 1973 parody story A Trekkie's Tale.